| Date | Transaction |
| 02-28-2019 | James Thompson has retired from football. |
| 09-14-2015 | The Los Angeles Marauders have waived James Thompson. |
| 05-03-2015 | The Los Angeles Marauders have acquired James Thompson from the waiver wire. |
| 05-03-2015 | The Los Angeles Marauders have waived James Thompson. |
| 08-05-2013 | The Los Angeles Marauders have moved James Thompson to the inactive roster. |
| 08-05-2013 | The Los Angeles Marauders have moved Bob Seidelson, Sam Hecht, Wasswa Jones, Dick Bowman, James Thompson, Tom Embree, and Ed McBride to the active roster. The Los Angeles Marauders have moved Al Johnson, Lincoln Sanders, Hamilton Sander, Herb Sivell, Magnus Ver Magnusson, Ken Traynham, James Ours, and Steve Roth to the inactive roster. |
| 08-06-2012 | The Los Angeles Marauders have moved Charles Gorin, George Rogers, Ed McBride, Orlando Edwards, and Frank Grefe to the active roster. The Los Angeles Marauders have moved Gary Lewis, James Thompson, Big K, and Louie Scherer to the inactive roster. |
| 08-04-2008 | The Los Angeles Marauders have moved Herb Sivell, Doug Caldwell, Jim DeBernardi, James Thompson, and Maury Smith to the active roster. The Los Angeles Marauders have moved Lincoln Sanders, Hamilton Sander, and Willie Wonka to the inactive roster. |
| 12-23-2007 | The Los Angeles Marauders have moved Frosty Forster to the active roster. The Los Angeles Marauders have moved James Thompson to the inactive roster. |
| 04-29-2007 | The Los Angeles Marauders have moved James Thompson to the active roster. |
| 09-25-2006 | The Los Angeles Marauders have acquired James Thompson from the waiver wire. |
| 09-18-2006 | The San Diego Sun Devils have moved Don Saddler to the active roster. The San Diego Sun Devils have moved Doug Johnson to the inactive roster. |
| 09-18-2006 | The San Diego Sun Devils have waived James Thompson. |
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