The St. Louis Cardinals released Ray Katt.
The Detroit Tigers traded Al Cicotte and Billy Martin to the Cleveland Indians for Ossie Alvarez, Don Mossi and Ray Narleski.
The Boston Red Sox signed Carl Yastrzemski as an amateur free agent.
Houston (American Association) purchased Pidge Browne from the St. Louis Cardinals. (Date given is approximate. Exact date is uncertain.)
The Chicago Cubs drafted Art Ceccarelli from the Baltimore Orioles in the 1958 rule 5 draft.
The St. Louis Cardinals drafted Joe Durham from the Baltimore Orioles in the 1958 rule 5 draft.
The Pittsburgh Pirates drafted Rocky Nelson from Toronto (International) in the 1958 rule 5 draft.
The Philadelphia Phillies drafted Johnny O'Brien from the St. Louis Cardinals in the 1958 rule 5 draft.
The Milwaukee Braves drafted Jim Pisoni from the New York Yankees in the 1958 rule 5 draft.
The Chicago White Sox drafted Claude Raymond from the Milwaukee Braves in the 1958 rule 5 draft.
The Chicago White Sox drafted Lou Skizas from the Detroit Tigers in the 1958 rule 5 draft.
The Kansas City Athletics drafted Wayne Terwilliger from the Detroit Tigers in the 1958 rule 5 draft.
The Cleveland Indians drafted Ray Webster from Sacramento (PCL) in the 1958 rule 5 draft.
The Baltimore Orioles traded Russ Heman and $30,000 to the Cleveland Indians for Bobby Avila.
The Philadelphia Phillies signed John Herrnstein as an amateur free agent.
The San Francisco Giants drafted Chuck Hiller from the Cleveland Indians in the 1958 minor league draft.
The Detroit Tigers traded Herb Moford to the Boston Red Sox for Lou Berberet.
The Pittsburgh Pirates drafted John Oldham from the Cincinnati Redlegs in the 1958 minor league draft.
The Cincinnati Redlegs drafted Dave Stenhouse from the Chicago Cubs in the 1958 minor league draft.
The Kansas City Athletics drafted Jay Ward from the New York Yankees in the 1958 minor league draft.
The Cleveland Indians traded Gary Geiger and Vic Wertz to the Boston Red Sox for Jim Piersall.
The St. Louis Cardinals traded Ruben Amaro to the Philadelphia Phillies for Chuck Essegian.
The Pittsburgh Pirates traded Luis Arroyo to the Cincinnati Redlegs for Nino Escalera.
The Philadelphia Phillies traded Jack Sanford to the San Francisco Giants for Ruben Gomez and Valmy Thomas.
The St. Louis Cardinals traded Wally Moon and Phil Paine to the Los Angeles Dodgers for Gino Cimoli.
The San Francisco Giants released Joey Amalfitano.
The Detroit Tigers traded Reno Bertoia, Jim Delsing and Ron Samford to the Washington Senators for Rocky Bridges, Neil Chrisley and Eddie Yost.
The Baltimore Orioles traded Jim Busby to the Boston Red Sox for Billy Klaus.
The Philadelphia Phillies traded Jim Golden, Rip Repulski and Gene Snyder to the Los Angeles Dodgers for Sparky Anderson.
The Milwaukee Braves released Ernie Johnson.
The Baltimore Orioles signed Ernie Johnson as a free agent.
The Los Angeles Dodgers released Pee Wee Reese.
The St. Louis Cardinals returned Herb Adams to Houston (American Association) after expiration of minor league working agreement.
The Milwaukee Braves signed Luis Alcaraz as an amateur free agent.
The Pittsburgh Pirates signed Gene Alley as an amateur free agent.
Cuno Barragan sent from the Chicago Cubs to the Milwaukee Braves in an unknown transaction.
The San Francisco Giants signed Bob Barton as an amateur free agent.
The Kansas City Athletics signed Ray Blemker as an amateur free agent.
The Washington Senators signed Joe Bonikowski as an amateur free agent.
The New York Yankees signed Jim Bouton as an amateur free agent.
The St. Louis Cardinals signed Weldon Bowlin as an amateur free agent.
The New York Yankees returned Don Bradey to New Orleans (Southern Association) after expiration of minor league working agreement.
The Pittsburgh Pirates signed Bucky Brandon as an amateur free agent.
The Milwaukee Braves signed Bruce Brubaker as an amateur free agent.
The Washington Senators signed Fred Bruckbauer as an amateur free agent.
The St. Louis Cardinals signed Jerry Buchek as an amateur free agent.
The St. Louis Cardinals traded Tom Burgess to the Pittsburgh Pirates for Dick Rand.
The Chicago Cubs signed Dick Burwell as an amateur free agent.
The New York Yankees signed Frank Carpin as an amateur free agent.
The Baltimore Orioles signed Dean Chance as an amateur free agent.
The Los Angeles Dodgers signed Choo-Choo Coleman as a free agent.
The Los Angeles Dodgers signed Bobby Cox as an amateur free agent.
The New York Yankees signed Jack Cullen as an amateur free agent.
The Milwaukee Braves obtained Clay Dalrymple from Sacramento (PCL) as part of a minor league working agreement.
The Detroit Tigers signed Pat Dobson as an amateur free agent.
The Detroit Tigers signed Paul Doyle as an amateur free agent.
The Cincinnati Redlegs signed Johnny Edwards as an amateur free agent.
The Milwaukee Braves signed Dave Eilers as an amateur free agent.
The St. Louis Cardinals signed Harry Fanok as an amateur free agent.
The Los Angeles Dodgers signed Al Ferrara as an amateur free agent.
The Milwaukee Braves signed Hank Fischer as an amateur free agent.
The Cleveland Indians signed Jerry Fosnow as an amateur free agent.
The Cleveland Indians signed Mike Garcia as a free agent.
The Cincinnati Redlegs signed Gus Gil as an amateur free agent.
The Detroit Tigers signed Purnal Goldy as an amateur free agent.
The St. Louis Cardinals signed Lee Gregory as an amateur free agent.
The Milwaukee Braves signed Vern Handrahan as an amateur free agent.
The San Francisco Giants signed Bill Hands as an amateur free agent.
The Kansas City Athletics signed Ken Harrelson as an amateur free agent.
The Milwaukee Braves obtained Al Heist from Sacramento (PCL) as part of a minor league working agreement.
The Cincinnati Redlegs signed Tommy Helms as an amateur free agent.
The St. Louis Cardinals signed Solly Hemus as a free agent.
The Milwaukee Braves signed Elrod Hendricks as an amateur free agent.
The Pittsburgh Pirates signed Ramon Hernandez as an amateur free agent.
Rudy Hernandez sent from the San Francisco Giants to the Washington Senators in an unknown transaction.
The Chicago White Sox signed Mike Hershberger as an amateur free agent.
The Chicago White Sox signed Jim Hicks as an amateur free agent.
The Chicago White Sox signed Joe Horlen as an amateur free agent.
The Chicago Cubs signed Ken Hubbs as an amateur free agent.
The Milwaukee Braves signed Ron Hunt as an amateur free agent.
The Washington Senators signed Jake Jacobs as an amateur free agent.
The New York Yankees signed Elvio Jimenez as an amateur free agent.
The Pittsburgh Pirates signed Rex Johnston as an amateur free agent.
The San Francisco Giants signed Rick Joseph as an amateur free agent.
The St. Louis Cardinals signed Ray Katt as a free agent.
The Milwaukee Braves signed Dick Kelley as an amateur free agent.
The Cincinnati Redlegs signed Bobby Klaus as an amateur free agent.
The Detroit Tigers signed Andy Kosco as an amateur free agent.
The San Francisco Giants signed Coco Laboy as an amateur free agent.
The Cleveland Indians signed Gene Leek as an amateur free agent.
The San Francisco Giants signed Mike Lee as an amateur free agent.
The Detroit Tigers signed Johnny Lewis as an amateur free agent.
The St. Louis Cardinals signed Jeoff Long as an amateur free agent.
The Cleveland Indians signed Al Luplow as an amateur free agent.
The Cleveland Indians released Hector Martinez.
The Chicago Cubs signed Nelson Mathews as an amateur free agent.
The Pittsburgh Pirates signed Gene Michael as an amateur free agent.
The Los Angeles Dodgers signed Larry Miller as an amateur free agent.
Manny Montejo sent from the Cincinnati Redlegs to the Chicago Cubs in an unknown transaction.
The Boston Red Sox signed Chet Nichols as a free agent.
The Kansas City Athletics signed John O'Donoghue as an amateur free agent.
The Los Angeles Dodgers signed Phil Ortega as an amateur free agent.
The Chicago White Sox signed Dan Osinski as a free agent.
The Boston Red Sox signed Mike Page as an amateur free agent.
The Baltimore Orioles signed Boog Powell as an amateur free agent.
The Pittsburgh Pirates signed Bob Priddy as an amateur free agent.
The Baltimore Orioles signed Art Quirk as an amateur free agent.
Freddy Rodriguez sent from the Chicago Cubs to the Philadelphia Phillies in an unknown transaction.
The Washington Senators signed Chico Salmon as an amateur free agent.
The Kansas City Athletics signed Jose Santiago as an amateur free agent.
The Chicago Cubs signed Ron Santo as an amateur free agent.
The Baltimore Orioles signed Bob Saverine as an amateur free agent.
The Boston Red Sox signed Ted Schreiber as an amateur free agent.
The San Francisco Giants signed Wayne Schurr as an amateur free agent.
Johnnie Seale sent from the Washington Senators to the Chicago Cubs in an unknown transaction.
The Cleveland Indians signed Duke Sims as an amateur free agent.
Jack Spring sent from the Cleveland Indians to Dallas (American Association) in an unknown transaction.
The New York Yankees signed Hal Stowe as an amateur free agent.
The Detroit Tigers signed John Sullivan as an amateur free agent.
The Chicago White Sox signed Fred Talbot as an amateur free agent.
The San Francisco Giants signed Tim Talton as an amateur free agent.
The Kansas City Athletics signed Dave Thies as an amateur free agent.
The Cincinnati Redlegs signed Cesar Tovar as an amateur free agent.
The Milwaukee Braves traded Jim Umbricht to the Pittsburgh Pirates for Emil Panko (minors).
The Los Angeles Dodgers released Elmer Valo.
The San Francisco Giants released Freddie Velazquez.
Jose Vidal sent from the San Francisco Giants to the Pittsburgh Pirates in an unknown transaction.
The Cleveland Indians signed Dave Vineyard as an amateur free agent.
The Chicago White Sox signed Al Weis as an amateur free agent.
The San Francisco Giants signed Fred Wenz as an amateur free agent.
The Cleveland Indians signed Mike White as an amateur free agent.
The Philadelphia Phillies returned John Anderson to Miami (International) after expiration of minor league working agreement.
The Baltimore Orioles obtained John Anderson from Miami (International) as part of a minor league working agreement.
Toronto (International) purchased Joe Altobelli from the Cleveland Indians.
The St. Louis Cardinals released Chuck Stobbs.
The Chicago Cubs traded Jim Bolger and John Briggs to the Cleveland Indians for Earl Averill and Morrie Martin.
The Cincinnati Redlegs traded Smoky Burgess, Harvey Haddix and Don Hoak to the Pittsburgh Pirates for Whammy Douglas, Jim Pendleton, John Powers and Frank Thomas.
The St. Louis Cardinals selected Billy Harrell off waivers from the Cleveland Indians.
The Philadelphia Phillies sent Bob Miller to the St. Louis Cardinals as part of a conditional deal.
The Baltimore Orioles purchased Whitey Lockman from the San Francisco Giants.
The Kansas City Athletics traded Walt Craddock to the Cincinnati Redlegs for Marty Kutyna.
Seattle (PCL) signed Elmer Valo as a free agent.
The Boston Red Sox traded Bob Smith to the Chicago Cubs for Chuck Tanner.
The Boston Red Sox traded Dean Stone to the St. Louis Cardinals for Nelson Chittum.
The Cincinnati Redlegs released Eddie Miksis.
The Detroit Tigers traded Tito Francona to the Cleveland Indians for Larry Doby.
The Chicago Cubs signed Ossie Chavarria as an amateur free agent.
The St. Louis Cardinals traded Don Choate and Sam Jones to the San Francisco Giants for Ray Jablonski and Bill White.
The Philadelphia Phillies traded Ted Kazanski, Stan Lopata and Johnny O'Brien to the Milwaukee Braves for Gene Conley, Harry Hanebrink and Joe Koppe.
The St. Louis Cardinals returned Bob Miller to the Philadelphia Phillies as part of a conditional deal. (Date given is approximate. Exact date is uncertain.)
The Baltimore Orioles traded Billy Loes to the Washington Senators for Vito Valentinetti. Trade was voided and players returned on April 8, 1959.
The Cincinnati Redlegs signed Jim Maloney as an amateur free agent.
The Detroit Tigers returned Maury Wills to the Los Angeles Dodgers as part of a conditional deal.
Frank Funk sent from the San Francisco Giants to Toronto (International) in an unknown transaction.
The Washington Senators signed Chuck Stobbs as a free agent.
The Kansas City Athletics signed Russ Meyer as a free agent.
The New York Yankees purchased Billy Shantz from the Kansas City Athletics.
The Washington Senators traded to the Baltimore Orioles for unknown compensation. Trade was voided and players returned on April 8, 1959.
The Kansas City Athletics traded Jack Urban to the New York Yankees for Mark Freeman. Mark Freeman returned to original team on May 8, 1959.
The St. Louis Cardinals released Sal Maglie.
The Boston Red Sox released Willard Nixon.
The Cleveland Indians traded Mickey Vernon to the Milwaukee Braves for Humberto Robinson.
The New York Yankees traded Tom Carroll and Russ Snyder to the Kansas City Athletics for Mike Baxes and Bob Martyn.
The Philadelphia Phillies purchased Bobby Del Greco from the New York Yankees.
The Pittsburgh Pirates selected Paul Giel off waivers from the San Francisco Giants.
The New York Yankees released Virgil Trucks.
Houston (American Association) traded Herb Adams and cash to the Washington Senators for Jim Delsing.
The Chicago Cubs signed Tony Balsamo as an amateur free agent.
The Chicago White Sox traded Don Rudolph and Lou Skizas to the Cincinnati Redlegs for Del Ennis.
The Detroit Tigers traded Billy Hoeft to the Boston Red Sox for Ted Lepcio and Dave Sisler.
The Kansas City Athletics traded Harry Simpson to the Chicago White Sox for Ray Boone.
The Chicago Cubs traded Bob Smith to the Cleveland Indians for Randy Jackson.
The Cincinnati Redlegs traded Chuck Churn to the Los Angeles Dodgers for Dick Hanlon (minors).
The Milwaukee Braves returned Jim Pisoni (earlier draft pick) to the New York Yankees.
The Chicago Cubs purchased Steve Ridzik from the Cleveland Indians.
The Philadelphia Phillies returned Al Schroll to the Boston Red Sox as part of a conditional deal.
The Kansas City Athletics traded to the New York Yankees for unknown compensation. Mark Freeman returned to original team on May 8, 1959.
The Kansas City Athletics purchased Murry Dickson from the New York Yankees.
Denver (American Association) purchased Bobby Malkmus from the Washington Senators.
The Chicago White Sox returned Claude Raymond (earlier draft pick) to the Milwaukee Braves.
The Chicago Cubs released Bobby Adams.
The Chicago Cubs traded Taylor Phillips to the Philadelphia Phillies for Seth Morehead.
The Pittsburgh Pirates released Bob Porterfield.
The St. Louis Cardinals purchased Jack Urban from the New York Yankees. (Date given is approximate. Exact date is uncertain.)
The Detroit Tigers released Herm Wehmeier.
The Chicago White Sox purchased Larry Doby from the Detroit Tigers for $30,000.
The Chicago Cubs signed Bob Porterfield as a free agent.
The Chicago White Sox released Don Mueller.
The Cleveland Indians traded Humberto Robinson to the Philadelphia Phillies for Granny Hamner.
The St. Louis Cardinals traded Irv Noren to the Chicago Cubs for Chick King.
The Boston Red Sox selected Bobby Avila off waivers from the Baltimore Orioles.
The Cleveland Indians traded Fred Hatfield and $10,000 to the Los Angeles Dodgers for Jim Baxes.
The Philadelphia Phillies released Jim Hearn.
The Cleveland Indians traded Hal Naragon and Hal Woodeshick to the Washington Senators for Ed Fitz Gerald.
The Washington Senators traded Albie Pearson to the Baltimore Orioles for Lenny Green.
The Milwaukee Braves signed Phil Roof as an amateur free agent.
The Kansas City Athletics traded Hector Lopez and Ralph Terry to the New York Yankees for Johnny Kucks, Jerry Lumpe and Tom Sturdivant.
The Detroit Tigers traded Earl Hersh to the Milwaukee Braves for Al Paschal (minors) and Charlie Lau. Al Paschal (minors), Earl Hersh and Charlie Lau returned to original teams on May 28, 1959. Joe Lonnett refused to report to his new team.
The Milwaukee Braves traded Earl Hersh and Joe Lonnett to the Detroit Tigers for Al Paschal (minors) and Charlie Lau. Al Paschal (minors), Earl Hersh and Charlie Lau returned to original teams on May 28, 1959. Joe Lonnett refused to report to his new team.
The Detroit Tigers traded Joe Lonnett to the Milwaukee Braves for unknown compensation. Al Paschal (minors), Earl Hersh and Charlie Lau returned to original teams on May 28, 1959. Joe Lonnett refused to report to his new team.
The Pittsburgh Pirates released Gene Baker.
The Philadelphia Phillies signed Al Neiger as an amateur free agent.
Don Leppert sent from the Milwaukee Braves to Dallas (American Association) in an unknown transaction.
Johnny Lewis sent from the Detroit Tigers to the St. Louis Cardinals in an unknown transaction. (Date given is approximate. Exact date is uncertain.)
The Boston Red Sox signed Dick Radatz as an amateur free agent.
The Philadelphia Phillies signed Gary Kroll as an amateur free agent.
The Los Angeles Dodgers purchased Freddy Rodriguez from the Philadelphia Phillies. (Date given is approximate. Exact date is uncertain.)
The Cleveland Indians traded Jim Bolger and cash to the Philadelphia Phillies for Willie Jones.
The Philadelphia Phillies signed Ray Culp as an amateur free agent.
The Philadelphia Phillies signed Clarence Jones as an amateur free agent.
The St. Louis Cardinals signed Jim O'Rourke as an amateur free agent.
The Philadelphia Phillies purchased Solly Drake from the Los Angeles Dodgers.
The Cincinnati Redlegs traded Hal Jeffcoat to the St. Louis Cardinals for Jim Brosnan.
The St. Louis Cardinals signed Tim McCarver as an amateur free agent.
The Kansas City Athletics signed Jack Aker as an amateur free agent.
The Los Angeles Dodgers signed Nate Oliver as an amateur free agent.
The Los Angeles Dodgers purchased Cuno Barragan from the Milwaukee Braves. (Date given is approximate. Exact date is uncertain.)
The Washington Senators traded Dick Hyde and Herb Plews to the Boston Red Sox for Billy Consolo and Murray Wall. Dick Hyde and Murray Wall returned to original teams on June 14, 1959.
The Detroit Tigers signed Aubrey Gatewood as an amateur free agent.
The Pittsburgh Pirates selected Bob Porterfield off waivers from the Chicago Cubs.
The Detroit Tigers selected Bob Smith off waivers from the Pittsburgh Pirates.
The San Francisco Giants purchased Jim Hegan from the Philadelphia Phillies.
The Boston Red Sox traded to the Washington Senators for unknown compensation. Dick Hyde and Murray Wall returned to original teams on June 14, 1959.
The Chicago Cubs signed Moe Morhardt as an amateur free agent.
The St. Louis Cardinals traded Chuck Essegian and Lloyd Merritt to the Los Angeles Dodgers for Dick Gray.
The Baltimore Orioles traded Jack Harshman to the Boston Red Sox for Billy Hoeft.
The Philadelphia Phillies purchased Joe Lonnett from the Milwaukee Braves.
The St. Louis Cardinals released Solly Hemus.
The Chicago White Sox released Del Ennis.
The Cincinnati Redlegs traded Walt Dropo to the Baltimore Orioles for Whitey Lockman.
The Detroit Tigers signed Don Bryant as an amateur free agent.
The St. Louis Cardinals released Mel Wright.
The Chicago Cubs signed Mel Wright as a free agent.
The Philadelphia Phillies signed Pat Corrales as an amateur free agent.
The Philadelphia Phillies signed Dave Baldwin as an amateur free agent.
The Cleveland Indians purchased Elmer Valo from Seattle (PCL).
The Cincinnati Redlegs purchased Willie Jones from the Cleveland Indians.
The Kansas City Athletics released Russ Meyer.
The Philadelphia Phillies signed John Upham as an amateur free agent.
The Chicago Cubs purchased Art Schult from the Boston Red Sox. (Date given is approximate. Exact date is uncertain.)
The Boston Red Sox released Jerry Zimmerman.
The Baltimore Orioles signed Jerry Zimmerman as a free agent.
The Milwaukee Braves signed Len Gabrielson as an amateur free agent.
The Milwaukee Braves selected Bobby Avila off waivers from the Boston Red Sox.
The St. Louis Cardinals selected Jay Porter off waivers from the Washington Senators.
The San Francisco Giants traded Billy Muffett and cash to the Boston Red Sox for Bud Byerly.
The New York Yankees selected Gary Blaylock off waivers from the St. Louis Cardinals.
The Cleveland Indians selected Jack Harshman off waivers from the Boston Red Sox.
The Chicago White Sox purchased Ken McBride from the Boston Red Sox.
The St. Louis Cardinals released Ray Katt.
The Chicago White Sox purchased Joe Stanka from Sacramento (PCL).
The Philadelphia Phillies signed Billy Sorrell as an amateur free agent.
The Milwaukee Braves selected Ray Boone off waivers from the Kansas City Athletics.
The Kansas City Athletics selected Ray Jablonski off waivers from the St. Louis Cardinals.
The Kansas City Athletics purchased Joe Morgan from the Milwaukee Braves.
The San Francisco Giants released Hank Sauer.
The Chicago White Sox traded Bob Sagers (minors) and Harry Simpson to the Pittsburgh Pirates for Ted Kluszewski.
The Milwaukee Braves released Del Rice.
The Baltimore Orioles selected Rip Coleman off waivers from the Kansas City Athletics.
The St. Louis Cardinals signed Phil Gagliano as an amateur free agent.
The Cincinnati Redlegs signed Art Shamsky as an amateur free agent.
The Cleveland Indians purchased Chuck Tanner from the Boston Red Sox.
The Milwaukee Braves selected Enos Slaughter off waivers from the New York Yankees.
The Los Angeles Dodgers signed Nick Willhite as an amateur free agent.
The Baltimore Orioles released Jerry Zimmerman.
The Cincinnati Redlegs signed Jerry Zimmerman as a free agent.
The Pittsburgh Pirates released Bob Porterfield.
The Philadelphia Phillies signed Marcelino Lopez as an amateur free agent.
The Baltimore Orioles purchased Bob Mabe from the Cincinnati Redlegs.
The Kansas City Athletics released Murry Dickson.
The Cleveland Indians released Granny Hamner.
The Cleveland Indians released Elmer Valo.
The Chicago Cubs released Randy Jackson.
The Baltimore Orioles released Ernie Johnson.
Cuno Barragan sent from the Los Angeles Dodgers to the Milwaukee Braves in an unknown transaction.
The Kansas City Athletics purchased Bob Trowbridge from the Milwaukee Braves.
The St. Louis Cardinals released Hal Jeffcoat.
The Chicago White Sox purchased Harry Simpson from the Pittsburgh Pirates.
The Milwaukee Braves released Enos Slaughter.
The Milwaukee Braves released Mickey Vernon.
The Milwaukee Braves traded Don Kaiser, Mike Roarke and Casey Wise to the Detroit Tigers for Charlie Lau and Don Lee.
The Baltimore Orioles released Lou Sleater.
The Baltimore Orioles traded players to be named later and $50,000 to the Los Angeles Dodgers for Jim Gentile. The Baltimore Orioles sent Willy Miranda (March 15, 1960) and Bill Lajoie (minors) (March 15, 1960) to the Los Angeles Dodgers to complete the trade.
The Cleveland Indians released Mike Garcia.
The Milwaukee Braves signed Rico Carty as an amateur free agent.
The Milwaukee Braves released Stan Lopata.
The Milwaukee Braves released Andy Pafko.
The Detroit Tigers released Gus Zernial.
The Chicago Cubs signed Del Rice as a free agent.
The Chicago White Sox signed Don Buford as an amateur free agent.
The Chicago White Sox traded Ron Jackson to the Boston Red Sox for Frank Baumann.
The Boston Red Sox traded Dick Gernert to the Chicago Cubs for Dave Hillman and Jim Marshall.
The Kansas City Athletics traded Frank House to the Cincinnati Redlegs for Tom Acker.
The Cincinnati Redlegs released Whitey Lockman.
The Chicago White Sox signed Mike Garcia as a free agent.
The San Francisco Giants drafted Joey Amalfitano from Toronto (International) in the 1959 rule 5 draft.
The Kansas City Athletics drafted Tom Baker from the St. Louis Cardinals in the 1959 minor league draft.
The Detroit Tigers drafted Steve Bilko from the Los Angeles Dodgers in the 1959 rule 5 draft.
The San Francisco Giants traded Jackie Brandt, Gordon Jones and Roger McCardell to the Baltimore Orioles for Billy Loes and Billy O'Dell.
The Chicago Cubs drafted Harry Bright from the Pittsburgh Pirates in the 1959 rule 5 draft.
The Philadelphia Phillies drafted Clay Dalrymple from the Milwaukee Braves in the 1959 rule 5 draft.
The San Francisco Giants drafted Ray Daviault from the Los Angeles Dodgers in the 1959 minor league draft.
The Cincinnati Redlegs drafted Jim Duckworth from the Los Angeles Dodgers in the 1959 minor league draft.
The Kansas City Athletics drafted Bob Johnson from the Detroit Tigers in the 1959 rule 5 draft.
The St. Louis Cardinals drafted Darrell Johnson from the New York Yankees in the 1959 rule 5 draft.
The Washington Senators drafted Don Lee from the Milwaukee Braves in the 1959 rule 5 draft.
The Cleveland Indians drafted Mike Lee from the San Francisco Giants in the 1959 first-year draft.
The Detroit Tigers drafted Em Lindbeck from the Milwaukee Braves in the 1959 rule 5 draft.
The Philadelphia Phillies drafted Bobby Malkmus from Denver (American Association) in the 1959 rule 5 draft.
The San Francisco Giants drafted Georges Maranda from the Milwaukee Braves in the 1959 rule 5 draft.
The Cincinnati Redlegs drafted Bob Miller from the Detroit Tigers in the 1959 minor league draft.
The Pittsburgh Pirates drafted Bob Oldis from the New York Yankees in the 1959 rule 5 draft.
The Cincinnati Redlegs drafted Ray Rippelmeyer from the Milwaukee Braves in the 1959 minor league draft.
The Baltimore Orioles drafted Dave Vineyard from the Cleveland Indians in the 1959 first-year draft.
The Kansas City Athletics drafted Dave Wickersham from the Pittsburgh Pirates in the 1959 minor league draft.
The Pittsburgh Pirates purchased Pidge Browne from Houston (American Association).
The Chicago Cubs traded Bobby Thomson to the Boston Red Sox for Al Schroll.
The Baltimore Orioles traded Bob Nieman to the St. Louis Cardinals for Charles Staniland (minors) and Gene Green.
The Kansas City Athletics traded Tom Sturdivant to the Boston Red Sox for Pete Daley.
The St. Louis Cardinals traded Bill Smith and Bobby Smith to the Philadelphia Phillies for Carl Sawatski.
The Philadelphia Phillies traded Chico Fernandez and Ray Semproch to the Detroit Tigers for Alex Cosmidis (minors), Ted Lepcio and Ken Walters.
The Cleveland Indians traded Dick Brown, Don Ferrarese, Minnie Minoso and Jake Striker to the Chicago White Sox for Norm Cash, Bubba Phillips and John Romano.
The Chicago Cubs traded Bill Henry, Lou Jackson and Lee Walls to the Cincinnati Redlegs for Frank Thomas.
The Philadelphia Phillies traded Gene Freese to the Chicago White Sox for Johnny Callison.
The Kansas City Athletics traded Hal Smith to the Pittsburgh Pirates for a player to be named later, Dick Hall and Ken Hamlin. The Pittsburgh Pirates sent Hank Foiles (December 15, 1959) to the Kansas City Athletics to complete the trade.
The New York Yankees traded Hank Bauer, Don Larsen, Norm Siebern and Marv Throneberry to the Kansas City Athletics for Joe DeMaestri, Kent Hadley and Roger Maris.
The New York Yankees signed Elmer Valo as a free agent.
The Cleveland Indians traded Gordy Coleman, Billy Martin and Cal McLish to the Cincinnati Redlegs for Johnny Temple.
The Baltimore Orioles purchased John Powers from the Cincinnati Redlegs.
The San Francisco Giants traded Daryl Spencer and Leon Wagner to the St. Louis Cardinals for Don Blasingame.
The Washington Senators purchased Jim Delsing from Houston (American Association). (Date given is approximate. Exact date is uncertain.)
The St. Louis Cardinals traded Tom Cheney and Gino Cimoli to the Pittsburgh Pirates for Ron Kline.
The Baltimore Orioles released Chico Carrasquel.
Luis Alcaraz sent from the Milwaukee Braves to the Los Angeles Dodgers in an unknown transaction.
The Philadelphia Phillies signed Dick Allen as an amateur free agent.
The Milwaukee Braves signed Sandy Alomar as an amateur free agent.
The St. Louis Cardinals signed Craig Anderson as an amateur free agent.
The Chicago White Sox signed Gerry Arrigo as an amateur free agent.
The Pittsburgh Pirates signed Gene Baker as a free agent.
The Los Angeles Dodgers signed Jim Barbieri as an amateur free agent.
The Pittsburgh Pirates signed Steve Blass as an amateur free agent.
The Pittsburgh Pirates signed Frank Bork as an amateur free agent.
The Pittsburgh Pirates signed Don Bosch as an amateur free agent.
The Baltimore Orioles signed Sam Bowens as an amateur free agent.
Bucky Brandon sent from the Pittsburgh Pirates to the St. Louis Cardinals in an unknown transaction.
The Detroit Tigers signed Gates Brown as an amateur free agent.
The Kansas City Athletics signed Billy Bryan as an amateur free agent.
The Chicago Cubs signed Ron Campbell as an amateur free agent.
The Cleveland Indians signed Paul Casanova as an amateur free agent.
Ossie Chavarria sent from the Chicago Cubs to the Kansas City Athletics in an unknown transaction.
The Washington Senators signed Pete Cimino as an amateur free agent.
The Kansas City Athletics signed Frank Cipriani as an amateur free agent.
The Cincinnati Reds signed Ted Davidson as an amateur free agent.
The San Francisco Giants signed Dick Dietz as an amateur free agent.
The St. Louis Cardinals signed Gary Dotter as an amateur free agent.
Paul Doyle sent from the Detroit Tigers to the New York Yankees in an unknown transaction.
The San Francisco Giants signed Dick Estelle as an amateur free agent.
The Cincinnati Reds signed John Flavin as an amateur free agent.
The Boston Red Sox signed Jim Fregosi as an amateur free agent.
The San Francisco Giants signed Gil Garrido as an amateur free agent.
Jesse Gonder sent from the Cincinnati Reds to the New York Yankees in an unknown transaction.
The Kansas City Athletics signed Dick Green as an amateur free agent.
The New York Yankees signed Granny Hamner as a free agent.
The Cincinnati Reds signed Tommy Harper as an amateur free agent.
The San Francisco Giants signed Jim Ray Hart as an amateur free agent.
The Philadelphia Phillies signed Jesse Hickman as an amateur free agent.
The St. Louis Cardinals signed Tom Hilgendorf as an amateur free agent.
The Milwaukee Braves signed Herb Hippauf as an amateur free agent.
The San Francisco Giants signed Randy Hundley as an amateur free agent.
The Chicago Cubs signed Pat Jarvis as an amateur free agent.
The Cleveland Indians signed Ernie Johnson as a free agent.
The Cleveland Indians obtained Jim King from Toronto (International) as part of a minor league working agreement.
The Detroit Tigers signed Alan Koch as an amateur free agent.
The St. Louis Cardinals signed Gary Kolb as an amateur free agent.
The Milwaukee Braves signed George Kopacz as an amateur free agent.
The Washington Senators signed Fred Lasher as an amateur free agent.
The San Francisco Giants signed Frank Linzy as an amateur free agent.
The Cincinnati Reds signed Whitey Lockman as a free agent.
The Chicago White Sox signed Dean Look as an amateur free agent.
The Cleveland Indians signed Gordy Lund as an amateur free agent.
The Detroit Tigers signed Leo Marentette as an amateur free agent.
The Kansas City Athletics signed Hector Martinez as a free agent.
The Pittsburgh Pirates signed Jose Martinez as an amateur free agent.
The Washington Senators signed Marty Martinez as an amateur free agent.
The Cleveland Indians signed Tony Martinez as an amateur free agent.
The St. Louis Cardinals signed Dal Maxvill as an amateur free agent.
The Washington Senators signed Joe McCabe as an amateur free agent.
Charleston (American Association) purchased Joe McClain from the St. Louis Cardinals for $100.
The Chicago White Sox signed Tommy McCraw as an amateur free agent.
The Cleveland Indians signed Sam McDowell as an amateur free agent.
The Baltimore Orioles signed Mickey McGuire as an amateur free agent.
The Los Angeles Dodgers signed Ken McMullen as an amateur free agent.
The Baltimore Orioles signed Dave McNally as an amateur free agent.
The New York Yankees signed Bob Meyer as an amateur free agent.
The Los Angeles Dodgers signed Joe Moeller as an amateur free agent.
Herb Moford sent from the Boston Red Sox to the Baltimore Orioles in an unknown transaction. (Date given is approximate. Exact date is uncertain.)
Manny Montejo sent from the Chicago Cubs to the Detroit Tigers in an unknown transaction.
The Boston Red Sox signed Fred Newman as an amateur free agent.
The Detroit Tigers signed Jim Northrup as an amateur free agent.
The Chicago Cubs signed Billy Ott as an amateur free agent.
The Detroit Tigers signed Ray Oyler as an amateur free agent.
The Pittsburgh Pirates signed Roberto Pena as an amateur free agent.
The San Francisco Giants signed Cap Peterson as an amateur free agent.
John Pregenzer sent from the Pittsburgh Pirates to the San Francisco Giants in an unknown transaction.
The Pittsburgh Pirates signed Jim Price as an amateur free agent.
The Cincinnati Reds signed Mel Queen as an amateur free agent.
The New York Yankees signed Roger Repoz as an amateur free agent.
The Chicago White Sox obtained Floyd Robinson from the Cleveland Indians as part of a minor league working agreement.
The San Francisco Giants signed Minnie Rojas as an amateur free agent.
The Washington Senators signed Rich Rollins as an amateur free agent.
The Detroit Tigers signed Bill Roman as an amateur free agent.
The St. Louis Cardinals signed Santiago Rosario as an amateur free agent.
Vic Roznovsky sent from the Pittsburgh Pirates to the San Francisco Giants in an unknown transaction.
Chico Salmon sent from the Washington Senators to the San Francisco Giants in an unknown transaction.
The Kansas City Athletics signed Ken Sanders as an amateur free agent.
Johnnie Seale sent from the Chicago Cubs to the Detroit Tigers in an unknown transaction.
The New York Yankees signed Rollie Sheldon as an amateur free agent.
The Pittsburgh Pirates signed Tommie Sisk as an amateur free agent.
The Detroit Tigers signed Willie Smith as an amateur free agent.
The Detroit Tigers signed Bob Sprout as an amateur free agent.
The Chicago White Sox signed Marv Staehle as an amateur free agent.
The Kansas City Athletics signed Larry Stahl as an amateur free agent.
The Los Angeles Dodgers signed Thad Tillotson as an amateur free agent.
The Detroit Tigers signed Tom Timmermann as an amateur free agent.
The Kansas City Athletics signed Rupe Toppin as an amateur free agent.
The Los Angeles Dodgers signed Hector Valle as an amateur free agent.
The St. Louis Cardinals signed Ray Washburn as an amateur free agent.
The Pittsburgh Pirates signed Gary Waslewski as an amateur free agent.
The Los Angeles Dodgers signed Johnny Werhas as an amateur free agent.
The Kansas City Athletics signed Dale Willis as an amateur free agent.
The Boston Red Sox signed Wilbur Wood as an amateur free agent.
The Cleveland Indians traded Ray Webster to the Boston Red Sox for Leo Kiely.
The Chicago White Sox signed Chico Carrasquel as a free agent.
The Chicago Cubs traded John Buzhardt, Al Dark and Jim Woods to the Philadelphia Phillies for Richie Ashburn.
The Cleveland Indians selected Bob Hale off waivers from the Baltimore Orioles.
The San Francisco Giants released Jim Hegan.
The Milwaukee Braves signed John Braun as an amateur free agent.
The Philadelphia Phillies signed Paul Brown as an amateur free agent.
The Milwaukee Braves signed Stan Lopata as a free agent.
The Philadelphia Phillies signed Ted Savage as an amateur free agent.
Poza Rica (Mexican) sent Diomedes Olivo to the Pittsburgh Pirates as part of a conditional deal.
The Kansas City Athletics obtained Jack Spring from Dallas (American Association) as part of a minor league working agreement.
The Cincinnati Reds signed Tony Perez as an amateur free agent.
The Milwaukee Braves purchased Jim Bolger from the Philadelphia Phillies. (Date given is approximate. Exact date is uncertain.)
The Boston Red Sox traded Jim Marshall and Sammy White to the Cleveland Indians for Russ Nixon. Sammy White refused to report to his new team on March 25, 1960. Trade was voided and players returned on March 25, 1960.
The Cleveland Indians traded to the Boston Red Sox for unknown compensation. Sammy White refused to report to his new team on March 25, 1960. Trade was voided and players returned on March 25, 1960.
The Cleveland Indians traded to the Boston Red Sox for unknown compensation. Sammy White refused to report to his new team on March 25, 1960. Trade was voided and players returned on March 25, 1960.
The San Francisco Giants traded Al Worthington to the Boston Red Sox for Jim Marshall.
The Cincinnati Reds purchased Howie Nunn from the St. Louis Cardinals.
The Chicago Cubs purchased Barney Schultz from the Detroit Tigers.
Portland (PCL) purchased Don Taussig from the San Francisco Giants.
The Los Angeles Dodgers traded Clyde Parris (minors) to Toronto (International) for Joe Altobelli.
Toronto (International) purchased Steve Ridzik from the Chicago Cubs.