Transactions listed are from November 1 of previous year to April 1 of the following year.
The St. Louis Cardinals selected Ham Hyatt off waivers from the Pittsburgh Pirates.
The New York Giants released Mike Donlin.
The Cincinnati Reds purchased Joe Wagner from Spokane (Northwestern).
Eddie Plank jumped from the Philadelphia Athletics to the St. Louis Terriers.
Chief Bender jumped from the Philadelphia Athletics to the Baltimore Terrapins.
The Chicago White Sox purchased Eddie Collins from the Philadelphia Athletics.
The Cincinnati Reds purchased Ivy Olson from the Cleveland Naps.
The Boston Braves traded players to be named later and cash to the Philadelphia Phillies for players to be named later and Sherry Magee. The Boston Braves sent Oscar Dugey (February 10, 1915) and Possum Whitted (February 14, 1915) to the Philadelphia Phillies to complete the trade.
The Philadelphia Phillies purchased Dave Bancroft from Portland (PCL) for $5,000.
Marty Berghammer jumped from the Cincinnati Reds to the Pittsburgh Rebels.
Reading (Tri-State) purchased Pat Bohen from the Pittsburgh Pirates.
Pete Compton jumped from the St. Louis Terriers to the Boston Braves.
The Cincinnati Reds purchased Gene Dale from Montreal (International).
Jack Dalton jumped from the Brooklyn Robins to the Buffalo Blues.
William Fischer jumped from the Brooklyn Robins to the Chicago Whales.
The New York Giants signed Waite Hoyt as a free agent.
Jim Kelly jumped from the Pittsburgh Pirates to the Pittsburgh Rebels.
Ed Konetchy jumped from the Pittsburgh Pirates to the Pittsburgh Rebels.
Lee Magee jumped from the St. Louis Cardinals to the Brooklyn Tip-Tops.
Rube Marshall jumped from the Philadelphia Phillies to the Buffalo Blues.
George McConnell jumped from the Chicago Cubs to the Chicago Whales.
The Washington Senators traded Irish Meusel to Minneapolis (American Association) for Henri Rondeau.
Mike Mowrey jumped from the Pittsburgh Pirates to the Pittsburgh Rebels.
Paddy O'Connor jumped from the St. Louis Cardinals to the Pittsburgh Rebels.
Larry Pratt jumped from the Boston Red Sox to the Brooklyn Tip-Tops.
Milt Reed jumped from the Philadelphia Phillies to the Brooklyn Tip-Tops.
Germany Schaefer jumped from the Washington Senators to the Newark Pepper.
Harry Smith jumped from the New York Giants to the Brooklyn Tip-Tops.
The Pittsburgh Pirates purchased Dazzy Vance from Hastings (Nebraska State).
The Brooklyn Tip-Tops signed Hooks Wiltse as a free agent.
The Philadelphia Athletics released Jack Coombs.
The Brooklyn Robins signed Jack Coombs as a free agent.
The Philadelphia Athletics purchased Nap Lajoie from the Cleveland Indians.
The Philadelphia Phillies traded Hans Lobert to the New York Giants for Bert Adams, Al Demaree and Milt Stock.
Alex Main jumped from the Detroit Tigers to the Kansas City Packers.
Bobby Vaughn jumped from Buffalo (International) to the St. Louis Terriers.
San Francisco (PCL) purchased Ping Bodie from the Chicago White Sox.
Charlie Deal jumped from the Boston Braves to the St. Louis Terriers.
The Boston Braves released Josh Devore.
The Brooklyn Robins released Ed Reulbach.
George Mogridge sent from the Chicago White Sox to Minneapolis (American Association) in an unknown transaction.
The New York Yankees purchased Hugh High from the Detroit Tigers.
The Newark Pepper signed Ed Reulbach as a free agent.
The Philadelphia Phillies traded Red Dooin to the Cincinnati Reds for Bert Niehoff.
Les Mann jumped from the Boston Braves to the Chicago Whales.
Richmond (International) purchased Clarence Berger from the Pittsburgh Pirates.
Indianapolis (American Association) purchased Joe Kelly from the Pittsburgh Pirates.
The Chicago Cubs released Tommy Leach.
The Chicago Cubs released Charlie Smith.
The Chicago Cubs released Eddie Stack.
The Chicago Cubs released Bill Sweeney.
The Chicago White Sox released Billy Sullivan.
The St. Louis Cardinals traded Pol Perritt to the New York Giants for . The New York Giants sent Bob Bescher (March 25, 1915) and cash (March 25, 1915) to the St. Louis Cardinals to complete the trade.
The Pittsburgh Pirates purchased Doc Johnston from the Cleveland Indians for $7,500.
The Cincinnati Reds signed Tommy Leach as a free agent.
The Cincinnati Reds selected Fred Toney off waivers from the Brooklyn Robins.
The Boston Braves purchased Ed Fitzpatrick from Toronto (International).
Columbus (American Association) purchased Bob Coleman from the Pittsburgh Pirates.
Rochester (International) purchased Fred Tyler from the Boston Braves.
The Boston Braves signed Fletcher Low as an amateur free agent.
The New York Yankees purchased Dazzy Vance from the Pittsburgh Pirates.
The New York Yankees purchased Ensign Cottrell from the Boston Braves.
The St. Louis Cardinals traded Ivey Wingo to the Cincinnati Reds for Mike Gonzalez.
The Boston Braves purchased Dick Egan from the Brooklyn Robins.
The Boston Braves selected Pat Ragan off waivers from the Brooklyn Robins.
The St. Louis Browns signed Ernie Koob as an amateur free agent.
Richmond (International) purchased Charlie Pick from the Washington Senators.
The St. Louis Browns purchased Scott Perry from Louisville (American Association).
The Chicago White Sox released Harry Lord.
The St. Louis Browns returned Scott Perry to Louisville (American Association) following previous purchase.
The Cleveland Indians released Bill Rodgers. (Date given is approximate. Exact date is uncertain.)
The Buffalo Blues signed Harry Lord as a free agent.
The St. Louis Browns signed George Sisler as a free agent.
The Detroit Tigers purchased Bill Steen from the Cleveland Indians.
The Boston Red Sox purchased Bill Rodgers from Portland (PCL).
The Boston Red Sox selected Herb Pennock off waivers from the Philadelphia Athletics.
The Brooklyn Robins purchased Phil Douglas from the Cincinnati Reds.
The Boston Braves released Otto Hess.
The Boston Braves signed Joe Shannon as an amateur free agent.
The Boston Braves signed Red Shannon as an amateur free agent.
The New York Yankees purchased Bob Shawkey from the Philadelphia Athletics for $3,500.
The Philadelphia Athletics signed Tom Knowlson as an amateur free agent. (Date given is approximate. Exact date is uncertain.)
The Boston Red Sox purchased Jack Barry from the Philadelphia Athletics.
The New York Giants selected Red Dooin off waivers from the Cincinnati Reds.
The Chicago White Sox selected Nemo Leibold off waivers from the Cleveland Indians.
The Cincinnati Reds purchased Bill Rodgers from the Boston Red Sox.
The St. Louis Browns released Ernie Walker.
The Chicago White Sox purchased Eddie Murphy from the Philadelphia Athletics for $13,500.
The Brooklyn Robins selected Ivy Olson off waivers from the Cincinnati Reds.
The New York Yankees purchased Ed Barney from Jersey City (International).
The New York Yankees purchased Gene Layden from Columbia (South Atlantic).
The Cleveland Indians purchased Jim Bagby from New Orleans (Southern Association).
The New York Yankees purchased Elmer Miller from the St. Louis Cardinals.
The New York Yankees purchased Roxy Walters from Waco (Texas).
The St. Louis Cardinals purchased Red Ames from the Cincinnati Reds.
The Boston Braves purchased Jesse Barnes from Davenport (Three-I).
The New York Giants purchased George Kelly from Victoria (Northwest) for $1,200. (Date given is approximate. Exact date is uncertain.)
The Washington Senators purchased Sam Rice from Petersburg (Virginia).
The Washington Senators purchased Merlin Kopp from St. Thomas (Canadian).
The New York Yankees purchased Walt Alexander from the St. Louis Browns.
The Brooklyn Robins traded Joe Schultz and $3,000 to the Chicago Cubs for Larry Cheney.
The New York Yankees purchased George Mogridge from Minneapolis (American Association).
The Boston Braves purchased Art Nehf from Terre Haute (Central).
The New York Giants purchased Marty Becker from Lewiston (New England).
The Cincinnati Reds purchased Ralph Comstock from the Boston Red Sox.
The Detroit Tigers purchased George Cunningham from Chattanooga (Southern Association).
Ralph Comstock jumped from the Cincinnati Reds to the Pittsburgh Rebels.
The Detroit Tigers purchased Babe Ellison from Clinton (Central Association).
The New York Giants released Fred Snodgrass.
The Detroit Tigers traded Baby Doll Jacobson and $15,000 to the St. Louis Browns for Bill James.
The Pittsburgh Pirates selected Ed Barney off waivers from the New York Yankees.
The New York Giants purchased Rube Benton from the Cincinnati Reds for $3,000.
The Philadelphia Phillies selected George McQuillan off waivers from the Pittsburgh Pirates.
The Chicago White Sox traded a player to be named later, Ed Klepfer, Braggo Roth and $31,500 to the Cleveland Indians for a player to be named later and Joe Jackson. The Chicago White Sox sent Larry Chappell (February 14, 1916) to the Cleveland Indians to complete the trade.
The Boston Braves released Billy Martin.
The Boston Braves signed Fred Snodgrass as a free agent.
The New York Giants purchased Bobby Schang from the Pittsburgh Pirates.
The Brooklyn Robins selected Rube Marquard off waivers from the New York Giants.
The St. Louis Cardinals purchased Rogers Hornsby from Denison (Western Association).
The Chicago Whales traded Jimmy Smith and cash to the Baltimore Terrapins for Mickey Doolan.
The Boston Braves purchased Zip Collins from the Pittsburgh Pirates.
Merwin Jacobson jumped from Brockton (Colonial) to the New York Giants.
The Chicago Cubs purchased Alex McCarthy from the Pittsburgh Pirates.
The Detroit Tigers purchased Grover Lowdermilk from the St. Louis Browns.
The Chicago Cubs purchased Phil Douglas from the Brooklyn Robins.
Topeka (Western Association) sent Jim Brown to the St. Louis Cardinals as part of a conditional deal. (Date given is approximate. Exact date is uncertain.)
The Philadelphia Athletics signed Buck Danner as an amateur free agent.
The St. Louis Cardinals returned Jim Brown to Topeka (Western Association) as part of a conditional deal. (Date given is approximate. Exact date is uncertain.)
The Cincinnati Reds drafted Johnny Beall from Milwaukee (American Association) in the 1915 rule 5 draft.
The New York Yankees drafted Jim Brown from Topeka (Western Association) in the 1915 rule 5 draft.
The Pittsburgh Pirates drafted Gene Madden from Galveston (Texas) in the 1915 rule 5 draft.
The New York Yankees drafted Urban Shocker from Guelph (Canadian) in the 1915 rule 5 draft.
The New York Giants drafted Howard Baker from Little Rock (Southern Association) in the 1915 rule 5 draft.
The Boston Braves traded Herbie Moran and Bert Whaling to Venice (PCL) for Joe Wilhoit.
The Detroit Tigers released George Moriarty.
Stan Coveleski sent from Portland (PCL) to the Cleveland Indians in an unknown transaction.
The Cleveland Indians purchased Tom Daly from the Chicago White Sox.
The Pittsburgh Pirates purchased Elmer Jacobs from the Philadelphia Phillies.
The Cincinnati Reds purchased Larry Kopf from the Philadelphia Athletics.
The Boston Red Sox purchased Sam Agnew from the St. Louis Browns.
The New York Giants purchased Benny Kauff from the Brooklyn Tip-Tops for $35,000.
The Cincinnati Reds purchased Baldy Louden from the Buffalo Blues.
The New York Giants purchased Bill McKechnie from the Newark Pepper.
The Cincinnati Reds purchased Earl Moseley from the Newark Pepper for $5,000.
The New York Giants purchased Edd Roush from the Newark Pepper for $7,500.
Hal Chase jumped from the Buffalo Blues to the Cincinnati Reds.
Dave Davenport jumped from the St. Louis Terriers to the St. Louis Browns.
The Chicago White Sox signed George Moriarty as a free agent.
Mike Prendergast jumped from the Chicago Whales to the Chicago Cubs.
Ed Reulbach jumped from the Newark Pepper to the Pittsburgh Pirates.
The Detroit Tigers signed Billy Sullivan as a free agent.
The Buffalo Blues released Solly Hofman.
The New York Yankees signed Solly Hofman as a free agent.
The Cincinnati Reds purchased Bob Fisher from the Chicago Cubs.
The Pittsburgh Pirates purchased Joe Schultz from the Chicago Cubs.
The Chicago White Sox purchased Jack Lapp from the Philadelphia Athletics.
The New York Yankees purchased Lee Magee from the Brooklyn Tip-Tops for $22,500.
The New York Yankees purchased Nick Cullop from the Kansas City Packers.
The New York Yankees purchased Germany Schaefer from the Newark Pepper.
The Philadelphia Phillies purchased Wilbur Good from the Chicago Cubs.
The Boston Braves purchased Frank Allen from the Pittsburgh Rebels.
The Chicago Cubs purchased Nick Allen from the Buffalo Blues.
The New York Giants purchased Fred Anderson from the Buffalo Blues.
The Philadelphia Phillies purchased Chief Bender from the Baltimore Terrapins.
The Cincinnati Reds purchased Jim Bluejacket from the Brooklyn Tip-Tops.
The St. Louis Browns purchased Babe Borton from the St. Louis Terriers.
The Chicago Cubs purchased Mordecai Brown from the Chicago Whales.
The Philadelphia Phillies purchased Claude Cooper from the Brooklyn Tip-Tops.
The Detroit Tigers purchased Jack Dalton from the Buffalo Blues.
The Cleveland Indians purchased Clyde Engle from the Buffalo Blues.
The Brooklyn Robins purchased Jim Hickman from the Baltimore Terrapins.
The Cincinnati Reds purchased Emil Huhn from the Newark Pepper.
The Pittsburgh Pirates purchased Otto Knabe from the Baltimore Terrapins.
The Boston Braves purchased Ed Konetchy from the Pittsburgh Rebels.
The Washington Senators purchased Mike Menosky from the Pittsburgh Rebels.
The Brooklyn Robins selected Chief Meyers off waivers from the New York Giants.
The Brooklyn Robins purchased Mike Mowrey from the Pittsburgh Rebels.
The Chicago Cubs purchased Gene Packard from the Kansas City Packers.
The Cincinnati Reds purchased Al Schulz from the Buffalo Blues.
The Chicago Cubs purchased Tom Seaton from the Newark Pepper.
The Pittsburgh Pirates purchased Art Wilson from the Chicago Whales.
The Chicago Cubs purchased Steve Yerkes from the Pittsburgh Rebels.
The New York Yankees purchased Frank Baker from the Philadelphia Athletics for $37,500.
The Cleveland Indians purchased Chick Gandil from the Washington Senators for $7,500.
The Cleveland Indians purchased Ivan Howard from the St. Louis Browns.