Transactions listed are from November 1 of previous year to April 1 of the following year.
The Philadelphia Phillies traded Eddie Stack to the Brooklyn Dodgers for Doc Scanlan.
The Cleveland Naps purchased Paddy Livingston from the Philadelphia Athletics.
The Philadelphia Phillies purchased Tom Downey from the Cincinnati Reds.
Des Moines (Western) purchased Red Faber from the Pittsburgh Pirates.
The St. Louis Browns purchased Del Pratt from Montgomery (Southern Association) for cash and 2 players. cash and 2 players
Jersey City (International) traded Hick Cady to the Boston Red Sox for Hal Janvrin, Walter Lonergan, Marty McHale, Hap Myers, Billy Purtell and Jack Thoney.
The New York Highlanders purchased Rip Williams from the Boston Red Sox. (Date given is approximate. Exact date is uncertain.)
The Chicago White Sox purchased Jack Fournier from the Boston Red Sox.
The Philadelphia Phillies traded Ward (minors) and Dick Cotter to the Chicago Cubs for Peaches Graham.
The Cleveland Naps signed Ken Nash as a free agent.
The Pittsburgh Pirates traded Vin Campbell to the Boston Braves for Mike Donlin.
The St. Louis Browns traded Lefty George to the Cleveland Naps for George Stovall.
The Washington Senators traded Gabby Street to the New York Highlanders for John Knight. The New York Highlanders sent Rip Williams (February 22, 1912) to the Washington Senators to complete the trade.
Louisville (American Association) purchased Dave Shean from the Chicago Cubs.
The New York Highlanders selected Gus Fisher off waivers from the Cleveland Naps.
The Boston Braves purchased Art Devlin from the New York Giants.
The St. Louis Cardinals selected Elmer Miller off waivers from the Cincinnati Reds.
Indianapolis (American Association) purchased Scotty Ingerton from the Boston Braves.
The Chicago White Sox returned Del Paddock to Dubuque (Three-I) following previous purchase.
The Philadelphia Athletics signed Herb Pennock as a free agent.
The Chicago Cubs purchased Red Downs from the Brooklyn Dodgers.
The Boston Braves purchased Dave Shean from Louisville (American Association).
Montreal (International) traded Chick Gandil to the Washington Senators for Jerry Akers, Charlie Becker and Bill Cunningham.
Newark (International) traded Bob Fisher and Bill Kay to the Brooklyn Dodgers for Bill Schardt and Dolly Stark.
The Pittsburgh Pirates traded Tommy Leach and Lefty Leifield to the Chicago Cubs for King Cole and Solly Hofman.
Rochester (International) purchased Cozy Dolan from the New York Highlanders.
The Philadelphia Phillies signed Eppa Rixey as a free agent.
The Detroit Tigers purchased Joe Lake from the St. Louis Browns.
The Washington Senators purchased Barney Pelty from the St. Louis Browns.
Lowell (New England) purchased Bill Jones from the Boston Braves.
The Philadelphia Phillies traded John Titus to the Boston Braves for Doc Miller.
The Boston Braves purchased Bill James from Seattle (Northwestern).
The Washington Senators selected Hippo Vaughn off waivers from the New York Highlanders.
The Boston Red Sox purchased Neal Ball from the Cleveland Naps for $2,500.
The Boston Braves purchased Rabbit Maranville from New Bedford (New England) for $1,000.
The Philadelphia Phillies purchased Hank Ritter from East Liverpool (Ohio-Pennsylvania).
The Cincinnati Reds purchased Dixie Davis from Knoxville (Appalachian) for $3,000.
The Chicago White Sox purchased Eddie Cicotte from the Boston Red Sox.
The Brooklyn Dodgers purchased Cliff Curtis from the Philadelphia Phillies. (Date given is approximate. Exact date is uncertain.)
The Brooklyn Dodgers released Sandy Burk. (Date given is approximate. Exact date is uncertain.)
The New York Highlanders purchased Del Paddock from Dubuque (Three-I).
The Chicago Cubs purchased Tom Downey from the Philadelphia Phillies.
The St. Louis Cardinals signed Sandy Burk as a free agent.
The St. Louis Browns released Red Nelson.
The New York Giants purchased Al Demaree from Mobile (Southern Association) for $7,000.
St Paul (American Association) traded Art Butler and a player to be named to the Pittsburgh Pirates for Bill McKechnie.
The Philadelphia Athletics purchased Stan Coveleski from Atlantic City (Tri-State).
The Detroit Tigers purchased Hooks Dauss from St Paul (American Association).
The Cincinnati Reds purchased Joe McManus from Ottawa (Canadian).
The Detroit Tigers purchased Wally Pipp from Kalamazoo (Southern Michigan). (Date given is approximate. Exact date is uncertain.)
The Detroit Tigers purchased Bobby Veach from Indianapolis (American Association).
Rochester (International) purchased Bobby Keefe from the Cincinnati Reds.
The Cincinnati Reds selected John Frill off waivers from the St. Louis Browns.
The Washington Senators purchased Frank LaPorte from the St. Louis Browns.
The St. Louis Cardinals purchased Possum Whitted from Jacksonville (South Atlantic) for $3,000.
The Chicago White Sox purchased Ted Easterly from the Cleveland Naps.
The Chicago White Sox traded players to be named later, Lena Blackburne, Bruno Block and cash to Milwaukee (American Association) for players to be named later and Ray Schalk. The Chicago White Sox sent Matty McIntyre (August 24, 1912) and Mutz Ens (January 30, 1913) to Milwaukee (American Association) to complete the trade.
Rochester (International) traded Tommy McMillan to the New York Highlanders for Jack Martin and Jack Quinn.
The St. Louis Browns purchased Charlie Miller from Lowell (New England).
The Philadelphia Phillies purchased Erskine Mayer from Atlanta (Southern Association) for $2,500.
The Boston Braves purchased Rex DeVogt from Spokane (Northwestern).
The Cincinnati Reds purchased Andy Kyle from Akron (Central).
The Philadelphia Athletics purchased Roy Crabb from the Chicago White Sox.
Newark (International) traded Enos Kirkpatrick to the Brooklyn Dodgers for Bert Tooley.
The Boston Braves purchased Lefty Gervais from Vancouver (Northwestern).
The Washington Senators purchased Joe Agler from Atlanta (Southern Association) for $2,000.
Kansas City (American Association) traded Bert Gallia and Bill Kenworthy to the Washington Senators for Hippo Vaughn and Tilly Walker.
The Philadelphia Athletics traded Claud Derrick, Bris Lord and cash to Baltimore (International) for Eddie Murphy and Jimmy Walsh.
The Pittsburgh Pirates traded 2 players to be named to Columbus (American Association) for Wilbur Cooper.
The Detroit Tigers purchased Willie Jensen from New Haven (Connecticut).
The Philadelphia Phillies signed Red Nelson as a free agent.
The Philadelphia Athletics drafted Wally Schang from Buffalo (International) in the 1912 rule 5 draft. (Date given is approximate. Exact date is uncertain.)
Providence (International) purchased Ralph Works from the Detroit Tigers.
The St. Louis Browns drafted Sam Agnew from Vernon (PCL) in the 1912 rule 5 draft.
The St. Louis Browns drafted Mike Balenti from Chattanooga (Southern Association) in the 1912 rule 5 draft.
The Cleveland Naps drafted Ray Bates from Newport News (Virginia) in the 1912 rule 5 draft.
The Cleveland Naps drafted Johnny Beall from Denver (Western) in the 1912 rule 5 draft.
The Chicago Cubs drafted Marty Berghammer from Lincoln (Western) in the 1912 rule 5 draft.
The Pittsburgh Pirates drafted Everett Booe from Fort Wayne (Central) in the 1912 rule 5 draft.
The Chicago Cubs drafted Ted Cather from Scranton (New York State) in the 1912 rule 5 draft.
The Chicago Cubs drafted Otis Clymer from Minneapolis (American Association) in the 1912 rule 5 draft.
The Washington Senators drafted Joe Connolly from Montreal (International) in the 1912 rule 5 draft.
The Chicago Cubs drafted Ensign Cottrell from Scranton (New York State) in the 1912 rule 5 draft.
The Detroit Tigers drafted Claud Derrick from Baltimore (International) in the 1912 rule 5 draft.
The Philadelphia Phillies drafted Cozy Dolan from Rochester (International) in the 1912 rule 5 draft.
The Brooklyn Dodgers drafted William Fischer from Toronto (International) in the 1912 rule 5 draft.
The Cleveland Naps drafted Harvey Grubb from Morristown (Appalachian) in the 1912 rule 5 draft.
The Detroit Tigers drafted Marc Hall from Omaha (Western) in the 1912 rule 5 draft.
The Detroit Tigers drafted Fred House from Kewanee (Central Association) in the 1912 rule 5 draft.
The Detroit Tigers drafted Al Klawitter from Portland (PCL) in the 1912 rule 5 draft.
The St. Louis Browns drafted Walt Leverenz from Los Angeles (PCL) in the 1912 rule 5 draft.
The St. Louis Browns drafted George Maisel from Harrisburg (Tri-State) in the 1912 rule 5 draft.
The Boston Braves drafted Bill McKechnie from St Paul (American Association) in the 1912 rule 5 draft.
The New York Highlanders drafted Red McKee from Indianapolis (American Association) in the 1912 rule 5 draft.
The Washington Senators drafted Bill Morley from Knoxville (Appalachian) in the 1912 rule 5 draft.
The Philadelphia Athletics drafted Billy Orr from Sacramento (PCL) in the 1912 rule 5 draft.
The Cincinnati Reds drafted Gene Packard from Columbus (American Association) in the 1912 rule 5 draft.
The Chicago Cubs drafted Bill Powell from Kansas City (American Association) in the 1912 rule 5 draft.
The Washington Senators drafted Henri Rondeau from Jersey City (International) in the 1912 rule 5 draft.
The Chicago White Sox drafted Reb Russell from Fort Worth (Texas) in the 1912 rule 5 draft.
The Boston Braves drafted Joe Schultz from Akron (Central) in the 1912 rule 5 draft.
The Boston Braves drafted Art Schwind from Ottawa (Canadian) in the 1912 rule 5 draft.
The Boston Braves drafted Paul Strand from Seattle (Northwestern) in the 1912 rule 5 draft.
The Brooklyn Dodgers drafted Bull Wagner from New Orleans (Southern Association) in the 1912 rule 5 draft.
The St. Louis Cardinals drafted Jimmy Whelan from Ogden (Union Association) in the 1912 rule 5 draft.
The Chicago White Sox drafted Mellie Wolfgang from Lincoln (Western) in the 1912 rule 5 draft.
The Cincinnati Reds drafted Ralph Works from Providence (International) in the 1912 rule 5 draft.
The Detroit Tigers traded Claud Derrick to the New York Highlanders for Red McKee.
The Detroit Tigers purchased Henri Rondeau from the Washington Senators for $4,000.
The Cincinnati Reds purchased Earl Blackburn from the Pittsburgh Pirates.
The Chicago Cubs released Mordecai Brown.
The Brooklyn Dodgers purchased Elmer Brown from the St. Louis Browns.
The Cincinnati Reds selected Frank Chance off waivers from the Chicago Cubs.
Sacramento (PCL) purchased Jack Bliss from the St. Louis Cardinals.
Wichita (Texas-Oklahoma) purchased Bill Brown from the St. Louis Browns. (Date given is approximate. Exact date is uncertain.)
Kansas City (American Association) purchased Tex Covington from the Detroit Tigers. (Date given is approximate. Exact date is uncertain.)
San Francisco (PCL) purchased Willie Hogan from the St. Louis Browns. (Date given is approximate. Exact date is uncertain.)
Flint (Southern Michigan) purchased Bill Hunter from the Cleveland Naps. (Date given is approximate. Exact date is uncertain.)
Waterbury (Connecticut) purchased Lou Nagelsen from the Cleveland Naps. (Date given is approximate. Exact date is uncertain.)
Toledo (American Association) purchased Ken Nash from the Cleveland Naps. (Date given is approximate. Exact date is uncertain.)
Providence (International) purchased Ollie O'Mara from the Detroit Tigers. (Date given is approximate. Exact date is uncertain.)
Rochester (International) purchased Hack Simmons from the New York Highlanders. (Date given is approximate. Exact date is uncertain.)
Montgomery (Southern Association) purchased Charlie Snell from the St. Louis Browns. (Date given is approximate. Exact date is uncertain.)
Jersey City (International) purchased Hugh Bradley from the Boston Red Sox.
The Boston Braves purchased George Davis from the New York Highlanders.
The Boston Braves purchased Bris Lord from Baltimore (International).
Toronto (International) traded Benny Meyer to the Brooklyn Dodgers for Hub Northen.
The Chicago Cubs purchased Al Bridwell from the Boston Braves.
The New York Highlanders selected Frank Chance off waivers from the Cincinnati Reds.
The Cincinnati Reds purchased Red Corriden from the Detroit Tigers for $7,500.
The Cincinnati Reds traded Red Corriden, Bert Humphries, Pete Knisely, Mike Mitchell and Art Phelan to the Chicago Cubs for Harry Chapman, Grover Lowdermilk and Joe Tinker.
Rochester (International) purchased Del Paddock from the New York Highlanders.
The Philadelphia Phillies selected Mike Donlin off waivers from the Pittsburgh Pirates.
The Cleveland Naps purchased Elmer Smith from Duluth (Central).
The Boston Red Sox selected Wally Rehg off waivers from the Pittsburgh Pirates.
Louisville (American Association) traded Mordecai Brown to the Cincinnati Reds for Grover Lowdermilk.
The Chicago White Sox purchased Davy Jones from the Detroit Tigers for $2,500.
San Francisco (PCL) purchased Al Kaiser from the Boston Braves.