| Tuesday, December 11th , 1973 |
| Minneapolis Millers: Signed free agent CF Manny Diaz to a minor league contract. |
| Dallas Wranglers: Signed free agent C Jim Dean to a minor league contract. |
| Milwaukee Arrows: Signed free agent SP Dom Wilson to a minor league contract. |
| Boston Minutemen: Signed free agent SP Charlie Conner to a minor league contract. |
| New York Imperials: Signed free agent CF Wally Mitchell to a minor league contract. |
| Cleveland Foresters: SP Dave Dumas was designated for assignment, placed on waivers and taken off the secondary (40-man) roster. |
| Washington Eagles: Lost CF Dwayne Cleaves in the Rule 5 Draft to the Toronto Wolves. |
| Toronto Wolves: Drafted CF Dwayne Cleaves in the 1973 Rule 5 Draft (Round 1, Pick 1, 1st overall Pick) from the Washington Eagles. |
| Boston Minutemen: RP John Lewis was designated for assignment and placed on waivers. |
| Minneapolis Millers: Lost SP Walt Portelli in the Rule 5 Draft to the Boston Minutemen. |
| Boston Minutemen: Drafted RP Walt Portelli in the 1973 Rule 5 Draft (Round 1, Pick 2, 2nd overall Pick) from the Minneapolis Millers. |
| Dallas Wranglers: Lost C Bobby Frost in the Rule 5 Draft to the Kansas City Mavericks. |
| Kansas City Mavericks: Drafted C Bobby Frost in the 1973 Rule 5 Draft (Round 1, Pick 4, 4th overall Pick) from the Dallas Wranglers. |
| Montreal Saints: Lost SP Bob Briggs in the Rule 5 Draft to the San Francisco Sailors. |
| San Francisco Sailors: CL Clint Tucker was designated for assignment, placed on waivers and taken off the secondary (40-man) roster. |
| San Francisco Sailors: Drafted SP Bob Briggs in the 1973 Rule 5 Draft (Round 1, Pick 7, 7th overall Pick) from the Montreal Saints. |
| Baltimore Clippers: RP Johnny Taylor was designated for assignment and placed on waivers. |
| New York Imperials: Lost RP Pat Fortier in the Rule 5 Draft to the Baltimore Clippers. |
| Baltimore Clippers: Drafted RP Pat Fortier in the 1973 Rule 5 Draft (Round 1, Pick 13, 13th overall Pick) from the New York Imperials. |
| Los Angeles Suns: Lost SP Elmer Peters in the Rule 5 Draft to the San Francisco Sailors. |
| San Francisco Sailors: Drafted SP Elmer Peters in the 1973 Rule 5 Draft (Round 2, Pick 7, 31st overall Pick) from the Los Angeles Suns. |
| Monday, December 10th , 1973 |
| Chicago Chiefs: CL Walt Jackson was added to the secondary (40-man) roster. |
| Cleveland Foresters: 2B Andy Barrington was added to the secondary (40-man) roster. |
| St. Louis Pioneers: LF Bob Whaley was added to the secondary (40-man) roster. |
| Chicago Cougars: SP Tom Heard was added to the secondary (40-man) roster. |
| Cleveland Foresters: CL Mickey Farrar was added to the secondary (40-man) roster. |
| St. Louis Pioneers: SP Harry Gaines was added to the secondary (40-man) roster. |
| Chicago Cougars: RF Dallas Ratajczyk was added to the secondary (40-man) roster. |
| St. Louis Pioneers: 1B Alex Todd was added to the secondary (40-man) roster. |
| Milwaukee Arrows: RP Lou Martin was designated for assignment, placed on waivers and taken off the secondary (40-man) roster. |
| Milwaukee Arrows: 1B George Rogers was designated for assignment, placed on waivers and taken off the secondary (40-man) roster. |
| Milwaukee Arrows: RP Jim Nelson was designated for assignment, placed on waivers and taken off the secondary (40-man) roster. |
| Milwaukee Arrows: RP Joe Kienle was designated for assignment, placed on waivers and taken off the secondary (40-man) roster. |
| Philadelphia Keystones: RP Dave Linne was designated for assignment, placed on waivers and taken off the secondary (40-man) roster. |
| San Francisco Sailors: CF Charlie Jarzombek was added to the secondary (40-man) roster. |
| Philadelphia Keystones: RP Bobby Osborn was designated for assignment, placed on waivers and taken off the secondary (40-man) roster. |
| Minneapolis Millers: LF Frank Hayes was added to the secondary (40-man) roster. |
| San Francisco Sailors: SP Marty Wilson was added to the secondary (40-man) roster. |
| San Francisco Sailors: RF Larry Hurlbutt was added to the secondary (40-man) roster. |
| Minneapolis Millers: CF Jim Ross was added to the secondary (40-man) roster. |
| San Francisco Sailors: SP Ernie Burkhardt was added to the secondary (40-man) roster. |
| Montreal Saints: SP Dave Taylor was added to the secondary (40-man) roster. |
| Minneapolis Millers: RP Augie Hicks was designated for assignment, placed on waivers and taken off the secondary (40-man) roster. |
| Minneapolis Millers: RP Wayne Stevens was designated for assignment, placed on waivers and taken off the secondary (40-man) roster. |
| Montreal Saints: LF Tony Keil was added to the secondary (40-man) roster. |
| Minneapolis Millers: CL Walt Portelli was designated for assignment, placed on waivers and taken off the secondary (40-man) roster. |
| San Francisco Sailors: 1B Joe Franklin was added to the secondary (40-man) roster. |
| San Francisco Sailors: CL Phil Knott was added to the secondary (40-man) roster. |
| Kansas City Mavericks: SP Irv Hoops was added to the secondary (40-man) roster. |
| Kansas City Mavericks: RF John Richardson was added to the secondary (40-man) roster. |
| Kansas City Mavericks: CF Don Crawford was added to the secondary (40-man) roster. |
| Kansas City Mavericks: 1B Bill Furness was added to the secondary (40-man) roster. |
| Washington Eagles: RP Vance Smith was designated for assignment, placed on waivers and taken off the secondary (40-man) roster. |
| Boston Minutemen: RF Frank McCarroll was designated for assignment, placed on waivers and taken off the secondary (40-man) roster. |
| Pittsburgh Miners: 1B Frank Reid was added to the secondary (40-man) roster. |
| Boston Minutemen: RP Curt Martin was designated for assignment, placed on waivers and taken off the secondary (40-man) roster. |
| Boston Minutemen: 2B Al Smith was added to the secondary (40-man) roster. |
| Boston Minutemen: SP Tommy Blount was added to the secondary (40-man) roster. |
| Dallas Wranglers: RF Joe Northup was designated for assignment, placed on waivers and taken off the secondary (40-man) roster. |
| Boston Minutemen: RP Roy Mills was designated for assignment, placed on waivers and taken off the secondary (40-man) roster. |
| Dallas Wranglers: RP Chet Johns was designated for assignment, placed on waivers and taken off the secondary (40-man) roster. |
| Dallas Wranglers: LF Jeff Lovejoy was designated for assignment, placed on waivers and taken off the secondary (40-man) roster. |
| Dallas Wranglers: RP Jimmy Jeter was designated for assignment, placed on waivers and taken off the secondary (40-man) roster. |
| New York Gothams: 1B Paul Ellis was added to the secondary (40-man) roster. |
| New York Gothams: SP Ken Wheeler was added to the secondary (40-man) roster. |
| New York Gothams: LF Bert Pierce was added to the secondary (40-man) roster. |
| New York Gothams: CF Fred McCoy was added to the secondary (40-man) roster. |
| Los Angeles Stars: CF Bubba McKinney was added to the secondary (40-man) roster. |
| New York Imperials: CF Jim Smith was added to the secondary (40-man) roster. |
| New York Imperials: RP Ron Washington was designated for assignment, placed on waivers and taken off the secondary (40-man) roster. |
| Cincinnati Cannons: 2B Joe Barrett was added to the secondary (40-man) roster. |
| Cincinnati Cannons: SP Sammy Wright was added to the secondary (40-man) roster. |
| Cincinnati Cannons: 1B Leon Stone was added to the secondary (40-man) roster. |
| Cincinnati Cannons: 1B Ed Scott was added to the secondary (40-man) roster. |
| Cincinnati Cannons: RF Jack Thompson was designated for assignment, placed on waivers and taken off the secondary (40-man) roster. |
| Toronto Wolves: C Bill Kisling was added to the secondary (40-man) roster. |
| Toronto Wolves: LF Pat Kellison was added to the secondary (40-man) roster. |
| Seattle Kings: 2B Charlie Vaughn was added to the secondary (40-man) roster. |
| Toronto Wolves: SP Charlie Walton was added to the secondary (40-man) roster. |
| Seattle Kings: CL Ted Lashway was added to the secondary (40-man) roster. |
| Seattle Kings: C Henry Emery was added to the secondary (40-man) roster. |
| Detroit Dynamos: SP Richard Elk was added to the secondary (40-man) roster. |
| Detroit Dynamos: RP Owen Lantz was designated for assignment, placed on waivers and taken off the secondary (40-man) roster. |
| Detroit Dynamos: LF Roy Haynes was designated for assignment, placed on waivers and taken off the secondary (40-man) roster. |
| Detroit Dynamos: SP Allie Boone was designated for assignment, placed on waivers and taken off the secondary (40-man) roster. |
