Transactions listed are from November 1 of previous year to April 1 of the following year.
The New York Giants purchased Tommy Corcoran from the Cincinnati Reds.
The Cincinnati Reds released Joe Kelley.
The Pittsburgh Pirates traded Ginger Beaumont, Patsy Flaherty and Claude Ritchey to the Boston Beaneaters for Ed Abbaticchio.
The Philadelphia Phillies signed Fred Jacklitsch as a free agent.
The Detroit Tigers purchased Claude Rossman from the Cleveland Naps.
The Washington Senators purchased Bob Ganley from the Pittsburgh Pirates.
The Chicago Cubs traded a player to be named later, Jack Harper and cash to the Cincinnati Reds for a player to be named later. The Chicago Cubs sent Doc Gessler (January 16, 1907) to the Cincinnati Reds to complete the trade. The Cincinnati Reds sent Chick Fraser (January 16, 1907) to the Chicago Cubs to complete the trade.
The St. Louis Browns traded Pete O'Brien to the Cleveland Naps for Fritz Buelow.
The New York Highlanders traded Joe Yeager to the St. Louis Browns for Branch Rickey.
Montreal (Eastern) purchased Bill Phyle from the St. Louis Cardinals. (Date given is approximate. Exact date is uncertain.)
The Pittsburgh Pirates released Irish McIlveen.
The Boston Doves purchased Frank Burke from the New York Giants.
The Chicago White Sox purchased Jake Stahl from the Washington Senators.
Henry Mathewson sent from the New York Giants to Wilmington (Tri-State) in an unknown transaction.
The New York Highlanders traded Walter Clarkson and Frank Delahanty to the Cleveland Naps for Earl Moore.
The Boston Americans purchased Bunk Congalton from the Cleveland Naps.
The New York Highlanders purchased Frank Kitson from the Washington Senators.
The St. Louis Cardinals purchased Ed Konetchy from La Crosse (Wisconsin State) for $1,000.
The Pittsburgh Pirates released Mike Lynch.
The Brooklyn Superbas released Jack McCarthy. (Date given is approximate. Exact date is uncertain.)
The Philadelphia Phillies purchased Fred Osborn from the Chicago Cubs.
The Philadelphia Athletics traded John Knight to the Boston Americans for Jimmy Collins.
The Boston Americans selected Deacon McGuire off waivers from the New York Highlanders.
The St. Louis Cardinals traded Buster Brown to the Philadelphia Phillies for Johnny Lush.
The Washington Senators purchased Jim Delahanty from the St. Louis Browns for $2,000.
The Washington Senators released Lave Cross.
The Boston Americans selected Larry Schlafly off waivers from the Washington Senators.
The Pittsburgh Pirates purchased Harry Wolter from the Cincinnati Reds.
The Boston Americans traded Myron Grimshaw and Larry Schlafly to Toronto (Eastern) for Jack Thoney.
The St. Louis Browns traded Beany Jacobson and $1,000 to the Boston Americans for Bill Dinneen.
The Chicago Cubs traded Newt Randall and Bill Sweeney to the Boston Doves for Del Howard.
The Washington Senators purchased Otis Clymer from the Pittsburgh Pirates.
The New York Giants signed Mike Lynch as a free agent.
The Washington Senators signed Walter Johnson as a free agent.
The Washington Senators purchased Clyde Milan from Wichita (Western Association).
The St. Louis Cardinals purchased Harry Wolter from the Pittsburgh Pirates.
The Brooklyn Superbas purchased Al Burch from the St. Louis Cardinals.
The Pittsburgh Pirates purchased Bill Duggleby from the Philadelphia Phillies.
The New York Giants released Tommy Corcoran.
The New York Highlanders purchased Rube Manning from Williamsport (Tri-State).
The New York Giants purchased Larry Doyle from Springfield (Central) for $4,500. (Date given is approximate. Exact date is uncertain.)
The Chicago White Sox purchased Jake Atz from New Orleans (Southern Association).
The New York Highlanders purchased Rudy Bell from Butte (Northwestern).
The St. Louis Cardinals purchased Jack Bliss from Oakland (PCL).
The St. Louis Cardinals purchased Chappy Charles from Williamsport (Tri-State).
The Boston Americans purchased Babe Danzig from New Bedford (New England).
The St. Louis Cardinals purchased Joe Delahanty from Williamsport (Tri-State).
The St. Louis Browns purchased Bill Grahame from Shreveport (Southern Association).
The Chicago Cubs purchased Jack Hardy from Nashville (Southern Association).
Kansas City (American Association) purchased Frank Kitson from the New York Highlanders.
The New York Highlanders purchased Joe Lake from Jersey City (Eastern).
The Chicago White Sox purchased Moxie Manuel from New Orleans (Southern Association).
The Boston Americans purchased Amby McConnell from Providence (Eastern).
Jersey City (Eastern) purchased Earl Moore from the New York Highlanders.
The Brooklyn Superbas purchased Simmy Murch from Brockton (New England).
The New York Highlanders purchased Tex Neuer from Savannah (South Atlantic).
The Chicago White Sox purchased Fred Olmstead from Springfield (Western Association).
The Chicago White Sox purchased Billy Purtell from Decatur (Three-I).
The St. Louis Cardinals purchased Slim Sallee from Williamsport (Tri-State).
The Chicago Cubs purchased Heinie Zimmerman from Wilkes-Barre (New York State).
The Chicago White Sox purchased Charlie Hickman from the Washington Senators.
The Boston Americans purchased Cy Morgan from the St. Louis Browns.
The New York Highlanders purchased Baldy Louden from Dallas (Texas) for $1,500.
The Boston Americans traded a player to be named later and cash to Baltimore (International) for a player to be named later and Fred Burchell. The Boston Americans sent John Knight (December 28, 1907) to Baltimore (International) to complete the trade.
The Boston Doves signed Tom Asmussen as an amateur free agent.
The Washington Senators traded Rabbit Nill to the Cleveland Naps for Pete O'Brien and Howard Wakefield.
The Washington Senators purchased Frank Oberlin from the Boston Americans.
The Chicago Cubs released Mike Kahoe. (Date given is approximate. Exact date is uncertain.)
The Pittsburgh Pirates purchased Bill McKechnie from Washington (POM). (Date given is approximate. Exact date is uncertain.)
The Boston Doves purchased Joe Knotts from Worcester (Eastern).
The New York Highlanders purchased Walter Blair from Williamsport (Tri-State) for $1,000.
The Washington Senators signed Mike Kahoe as a free agent.
The Boston Americans purchased Walter Carlisle from Los Angeles (PCL) for $2,500.
The Boston Americans purchased Gavvy Cravath from Los Angeles (PCL) for $2,000.
The Washington Senators purchased Bill Otey from Los Angeles (PCL).
The Boston Doves purchased Sam Frock from Worcester (New England).
The Boston Doves purchased Frank Barberich from Lawrence (New England).
The Boston Doves purchased Izzy Hoffman from Holyoke (Connecticut State).
The Cincinnati Reds purchased Billy Campbell from Harrisburg (Tri-State). (Date given is approximate. Exact date is uncertain.)
The Cincinnati Reds purchased Rudy Hulswitt from Columbus (American Association). (Date given is approximate. Exact date is uncertain.)
The Cincinnati Reds purchased Mike O'Neill from Harrisburg (Tri-State). (Date given is approximate. Exact date is uncertain.)
The Cincinnati Reds purchased Dode Paskert from Atlanta (Southern Association). (Date given is approximate. Exact date is uncertain.)
The Philadelphia Athletics purchased Biff Schlitzer from Utica (New York State).
The Pittsburgh Pirates purchased Babe Adams from Denver (Western).
The New York Giants purchased Fred Merkle from Tecumseh (Southern Michigan). (Date given is approximate. Exact date is uncertain.)
The Chicago White Sox purchased Charlie Armbruster from the Boston Americans.
The New York Giants drafted Roy Beecher from Springfield (Three-I) in the 1907 rule 5 draft.
The St. Louis Browns drafted Bert Blue from Columbus (American Association) in the 1907 rule 5 draft.
The Washington Senators drafted Bill Burns from Los Angeles (PCL) in the 1907 rule 5 draft.
The Detroit Tigers drafted Donie Bush from South Bend (Central) in the 1907 rule 5 draft.
The Washington Senators drafted Bob Edmondson from Houston (Texas) in the 1907 rule 5 draft.
The Cincinnati Reds drafted Dick Egan from Peoria (Three-I) in the 1907 rule 5 draft.
The Philadelphia Athletics drafted Jack Flater from Utica (New York State) in the 1907 rule 5 draft.
The Philadelphia Athletics drafted Charlie Fritz from New Orleans (Southern Association) in the 1907 rule 5 draft.
The Cleveland Naps drafted Jack Graney from Wilkes-Barre (New York State) in the 1907 rule 5 draft.
The New York Giants drafted Buck Herzog from Reading (Tri-State) in the 1907 rule 5 draft.
The Brooklyn Superbas drafted Jim Holmes from Augusta (South Atlantic) in the 1907 rule 5 draft.
The Brooklyn Superbas drafted George Hunter from Wilkes-Barre (New York State) in the 1907 rule 5 draft.
The Cleveland Naps drafted Bill Lattimore from Toledo (American Association) in the 1907 rule 5 draft.
The Cincinnati Reds drafted Bill McGilvray from Pueblo (Western) in the 1907 rule 5 draft.
The Brooklyn Superbas drafted Tommy McMillan from Jacksonville (South Atlantic) in the 1907 rule 5 draft.
The Pittsburgh Pirates drafted Paddy O'Connor from Springfield (Connecticut State) in the 1907 rule 5 draft.
The St. Louis Cardinals drafted Patsy O'Rourke from Waterbury (Connecticut State) in the 1907 rule 5 draft.
The St. Louis Browns drafted Al Schweitzer from Newcastle (Ohio-Pennsylvania) in the 1907 rule 5 draft.
The Pittsburgh Pirates drafted Hunky Shaw from St Paul (American Association) in the 1907 rule 5 draft.
The Cincinnati Reds drafted Bob Spade from Atlanta (Southern Association) in the 1907 rule 5 draft.
The Cincinnati Reds drafted Bill Tozer from Buffalo (Eastern) in the 1907 rule 5 draft.
The Boston Doves drafted George Whiteman from Houston (Texas) in the 1907 rule 5 draft.
The Brooklyn Superbas drafted Kaiser Wilhelm from Birmingham (Southern Association) in the 1907 rule 5 draft.
The St. Louis Cardinals purchased Bugs Raymond from Charleston (South Atlantic) for $1,500. (Date given is approximate. Exact date is uncertain.)
The Boston Doves drafted Jim Ball from Baltimore (Eastern) in the 1907 rule 5 draft.
The Philadelphia Athletics signed Harry Coveleski as a free agent.
The New York Giants drafted Doc Crandall from Cedar Rapids (Three-I) in the 1907 rule 5 draft.
The Boston Doves drafted Peaches Graham from Minneapolis (American Association) in the 1907 rule 5 draft.
The Boston Doves drafted Joe Kelley from Toronto (Eastern) in the 1907 rule 5 draft.
The New York Giants drafted Monte Pfyl from Cedar Rapids (Three-I) in the 1907 rule 5 draft.
The Washington Senators drafted Roy Witherup from Uniontown (POM) in the 1907 rule 5 draft. (Date given is approximate. Exact date is uncertain.)
The St. Louis Cardinals drafted Al Shaw from Springfield (Three-I) in the 1907 rule 5 draft.
The Washington Senators traded Charlie Jones to the St. Louis Browns for Ollie Pickering.
As part of a 3-team trade: The New York Highlanders sent Frank LaPorte to the Boston Americans. The Chicago White Sox sent Jake Stahl to the New York Highlanders. The Boston Americans sent Freddy Parent to the Chicago White Sox.
The Chicago White Sox purchased Frank Hemphill from Milwaukee (American Association). (Date given is approximate. Exact date is uncertain.)
Howard Wakefield returned to the Cleveland Naps by the Washington Senators as part of earlier loan.
The St. Louis Browns traded Fred Glade, Charlie Hemphill and Harry Niles to the New York Highlanders for Hobe Ferris, Danny Hoffman and Jimmy Williams.
The New York Highlanders purchased Hobe Ferris from the Boston Americans.
New Orleans (Southern Association) purchased Frank Delahanty from the Cleveland Naps.
The Chicago White Sox purchased John Anderson from the Washington Senators.
The Detroit Tigers purchased Ira Thomas from the New York Highlanders.
The New York Giants traded Frank Bowerman, George Browne, Bill Dahlen, George Ferguson and Dan McGann to the Boston Doves for Al Bridwell, Tom Needham and Fred Tenney.
The Brooklyn Superbas purchased Tommy Sheehan from the Pittsburgh Pirates.
The Cleveland Naps purchased Charlie Hickman from the Chicago White Sox.
Buffalo (Eastern) purchased Jimmy Archer from the Detroit Tigers.
The Philadelphia Athletics signed Jack Barry as an amateur free agent.
The Boston Red Sox purchased Eddie Cicotte from Lincoln (Western) for $2,500.
The Washington Senators purchased George McBride from Kansas City (American Association).
The Washington Senators returned Roy Witherup (earlier draft pick) to Des Moines (Western).
The Boston Doves released Jim Ball. (Date given is approximate. Exact date is uncertain.)
The New York Highlanders purchased Mike Donovan from the Cleveland Naps.
The Boston Red Sox traded Al Shaw to the Chicago White Sox for Ed McFarland.
Milwaukee (American Association) purchased Newt Randall from the Boston Doves.
The St. Louis Browns purchased Rube Waddell from the Philadelphia Athletics.
The Boston Doves released Frank Barberich.