| Date | Transaction |
| 02-28-2000 | Mike Harmon has retired from football. |
| 08-17-1998 | The Buffalo Tigers have waived Mike Harmon. |
| 04-28-1991 | The San Jose Pirates have changed Mike Thompson's name to Mike Harmon. |
| 04-28-1991 | The San Jose Pirates have changed Thad Thompson's name to Mike Thompson. |
| 04-28-1991 | The San Jose Pirates have moved Thad Thompson to the active roster. The San Jose Pirates have moved Paul Martz to the inactive roster. |
| 01-13-1991 | Trade #49398 has been completed between the Los Angeles Capitolists and the San Jose Pirates. The San Jose Pirates receive Cecil Weaver (G), Thad Thompson (WR), John Davis (WR) from the Los Angeles Capitolists in exchange for Carl Mayberry (G), Keith Lomack (RB). |
| 12-17-1990 | The Los Angeles Capitolists have moved Chris Jocher to the active roster. The Los Angeles Capitolists have moved Thad Thompson to the inactive roster. |
| 10-28-1990 | The Los Angeles Capitolists have moved Thad Thompson to the active roster. The Los Angeles Capitolists have moved Chris Jocher to the inactive roster. |
| 09-03-1990 | The Los Angeles Capitolists have placed Thad Thompson on the trade block. |
| 09-03-1990 | The Los Angeles Capitolists have moved Simon Zeal to the active roster. The Los Angeles Capitolists have moved Thad Thompson to the inactive roster. |
| 09-03-1990 | The Los Angeles Capitolists have moved Thad Thompson to the active roster. |
| 09-03-1990 | The Los Angeles Capitolists have moved Charlie Podoley to the active roster. The Los Angeles Capitolists have moved Thad Thompson and Simon Zeal to the inactive roster. |
| 08-26-1990 | The Washington Capitolists have moved Christian Cross, Neil Synth, Mason Kaczmarek, James Baxter, Wilt Washington, Tom Tauscher, Teddy Sapolu, Thad Thompson, Baron Hoenheim, Warren Peace, and Grant Cavat to the active roster. The Washington Capitolists have moved Paul Erie, Luke Gannon, Bart Rush, Greg Lewis, Matthew Madison, Eric "The Red" Elric, Peter Praxis, Quinn Jefferies, Matthias Black, Sebastian Sinclair, and Charles Durham to the inactive roster. |
| 08-19-1990 | The Washington Capitolists have moved Charlie Podoley, Frank Heywood, Charlie Evans, Jordan Thane, Navy Donovan, Charles Durham, Luke Gannon, Eric "The Red" Elric, Hans Heidenreich, Peter Praxis, Gene Percy, Matthew Madison, and Bart Rush to the active roster. The Washington Capitolists have moved Warren Peace, Baron Hoenheim, Thad Thompson, Shoichi Sansoon, Grant Cavat, Elias Clarke, Zack Dillinger, Christian Cross, Harold Watkins, Neil Synth, Mason Kaczmarek, Teddy Sapolu, and Tom Tauscher to the inactive roster. |
| 08-22-1988 | The Washington Capitolists have changed Jerry Thompson's name to Thad Thompson. |
| 08-14-1988 | The Washington Capitolists have changed Chris Harmon's name to Jerry Thompson. |
| 08-08-1988 | The Washington Capitolists have moved Chris Harmon, Drew Caldwell, and Fred Worthen to the active roster. |
Wide Receiver