| Date | Transaction |
| 02-28-1983 | John Alexander has retired from football. |
| 08-30-1982 | The British Columbia Isotopes have waived John Alexander. |
| 08-09-1982 | The British Columbia Isotopes have moved John Alexander, Steve Foote, and Keith Seaverns to the active roster. The British Columbia Isotopes have moved Larry Hickman, Vince Bush, and Renard Bates to the inactive roster. |
| 08-09-1982 | The British Columbia Isotopes have moved Mike Crow, Lynn Gardin, Scott Hargrove, and Harley Maras to the active roster. The British Columbia Isotopes have moved Jimmy Blair, Ben Schell, and John Alexander to the inactive roster. |
| 08-10-1980 | The British Columbia Isotopes have acquired John Alexander from the waiver wire. |
| 09-03-1979 | The Miami Longhorns have waived John Alexander. |
| 12-11-1978 | The New Orleans Rebels have moved Chuck Spencer to the active roster. The New Orleans Rebels have moved John Alexander to the inactive roster. |
| 12-10-1978 | John Alexander of the New Orleans Rebels is injured with a knee derangement and is expected to be out for approximately 21 days. |
| 12-13-1976 | The Los Angeles Talent Scouts have moved John Alexander to the active roster. The Los Angeles Talent Scouts have moved Bill Mattes to the inactive roster. |
| 08-29-1976 | The Los Angeles Talent Scouts have moved John Alexander and Mark Sweet to the inactive roster. |
| 08-09-1976 | The Los Angeles Talent Scouts have moved Barry Thuerk, Jim Winslow, John Alexander, Coy Gladden, Harry Daniels, Billy Langas, Eric Powell, Buster Short, Bob Brown, Mark Sweet, Dick Jones, Jim Fry, Mark Gallaher, Ray Hunter, and Tommy Jensen to the active roster. The Los Angeles Talent Scouts have moved Don Davis, Mike Nelson, Robb Luft, Gene Thomason, Marcus Stroud, Roger Carter, Charlie Cofer, Jeff Parker, Chuck Spencer, Bob Villapiano, Bill Mattes, Earl Smith, Chris Broadley, James Mayberry, Aaron Walker, Gordon Smith, Andrew English, Tony Gedney, Hank Wegert, Kim Patrick, Bill Dickerson, Devone Evans, Chukky Myles, and Mel Weddington to the inactive roster. |
| 08-25-1975 | The Los Angeles Talent Scouts have moved Jim Winslow, John Alexander, and Harry Daniels to the inactive roster. |
| 08-25-1975 | The Los Angeles Talent Scouts have moved Pat Brown, Bill Mattes, Chuck Spencer, Larry Turner, Mel Weddington, Cornelius Wesley, Jim Winslow, John Alexander, Don Penn, Tony Gedney, Harry Daniels, and Spencer Parker to the active roster. |
| 08-25-1975 | The Los Angeles Talent Scouts have moved Benny Snowden, Don Davis, Devone Evans, Marcus Stroud, Bill Dickerson, Charlie Cofer, Earl Smith, Aaron Walker, Kim Patrick, and Eddie Jackson to the active roster. The Los Angeles Talent Scouts have moved Justin Floyd, Spencer Parker, Cornelius Wesley, Jim Winslow, Larry Turner, Homer Wright, John Alexander, James Loneker, Coy Gladden, Harry Daniels, and Mike Fryar to the inactive roster. |
| 08-06-1973 | The Los Angeles Talent Scouts have moved Mike Anderson, Cornelius Wesley, Dwayne Weissenhofer, Homer Wright, John Alexander, and Trent Rowell to the active roster. The Los Angeles Talent Scouts have moved David Manca, Jeff Adams, Benny Snowden, Bobby Flower, Tony Welter, Louis Zimmerman, Steve Staten, Bob Villapiano, Marcus Stroud, Don Penn, Shane Zuidmulder, Charlie Cofer, Marcus Allen, John Henderson, Donovan Kruse, Ed Griffin, Hank Wegert, Kim Patrick, and Mike Bentley to the inactive roster. |
Defensive Tackle