| Date | Transaction |
| 02-28-2019 | Guy Diettrich has retired from football. |
| 09-04-2017 | The Los Angeles Marauders have waived Guy Diettrich. |
| 08-14-2017 | The Los Angeles Marauders have moved Larry Coleman, Bruce Darche, and Joey Asher to the active roster. The Los Angeles Marauders have moved Guy Diettrich, Ken Traynham, and Greg Lowe to the inactive roster. |
| 09-26-2016 | The Los Angeles Marauders have moved Guy Diettrich to the active roster. The Los Angeles Marauders have moved Jack Kinney to the inactive roster. |
| 09-26-2016 | The Los Angeles Marauders have acquired Guy Diettrich from the waiver wire. |
| 09-12-2016 | The Calgary Chimeras have moved Mike Weber to the active roster. The Calgary Chimeras have moved Alex Curley to the inactive roster. |
| 09-12-2016 | The Calgary Chimeras have waived Guy Diettrich. |
| 01-17-2016 | The Detroit Chimeras have moved Alex Curley and Bob Bennings to the active roster. The Detroit Chimeras have moved Guy Diettrich, Willie Franco, and Kilroy Wuzeer to the inactive roster. |
| 09-07-2015 | The Detroit Chimeras have moved Guy Diettrich and Sean Fernandez to the active roster. The Detroit Chimeras have moved Sam Hecht to the inactive roster. |
| 08-10-2015 | The Detroit Chimeras have moved Alan Isbell, Robert Rosenstiel, Neil Lunday, Dainard Gadsden, Bobby Bennett, Hub Taylor, and Rich Larkin to the active roster. The Detroit Chimeras have moved Bob Ladorum, Guy Diettrich, Walter Knop, Knight King, John Widell, Inky Bailey, and Howard Bacchus to the inactive roster. |
| 08-31-2014 | The Detroit Tiger Ants have moved Guy Diettrich and Inky Bailey to the active roster. The Detroit Tiger Ants have moved Gordon Thomas and Frank Duvall to the inactive roster. |
| 08-18-2014 | The Detroit Tiger Ants have moved Gordon Thomas and Anelli Jones to the active roster. The Detroit Tiger Ants have moved Guy Diettrich and Frank Rodak to the inactive roster. |
| 09-17-2012 | The Detroit Tiger Ants have moved Dix Miller, Lenny Harper, Guy Diettrich, and Frank Rodak to the active roster. The Detroit Tiger Ants have moved Ralph Eck, Leslie Poseidon, and Carl Affholter to the inactive roster. |
| 08-26-2012 | The Detroit Tiger Ants have moved Tom Basing to the active roster. The Detroit Tiger Ants have moved Guy Diettrich to the inactive roster. |
| 08-26-2012 | Guy Diettrich of the Detroit Tiger Ants is injured with a lower leg fracture and is expected to be out for approximately 24 days. |
| 11-09-2008 | Guy Diettrich of the Detroit Tiger Ants is injured with a leg contusion and is expected to be out for approximately 5 days. |
| 11-02-2008 | Guy Diettrich of the Detroit Tiger Ants is injured with a hip contusion and is expected to be out for approximately 6 days. |
| 08-12-2007 | Trade #63102 has been completed between the St. Louis Colts and the Toledo Tiger Ants. The Toledo Tiger Ants receive Guy Diettrich (G) from the St. Louis Colts in exchange for Henry Churchman (G). |
| 11-13-2006 | The St. Louis Colts have moved Guy Diettrich to the active roster. The St. Louis Colts have moved Byron Gladieux to the inactive roster. |
| 10-15-2006 | The St. Louis Colts have moved Rupert Daykin and Clinton Schlecht to the active roster. The St. Louis Colts have moved Guy Diettrich and Steve Mallard to the inactive roster. |
| 09-24-2006 | The St. Louis Colts have moved Guy Diettrich to the active roster. The St. Louis Colts have moved Clinton Schlecht to the inactive roster. |
| 08-28-2006 | The St. Louis Colts have moved Byron Gladieux and Len Guy to the active roster. The St. Louis Colts have moved Guy Diettrich to the inactive roster. |
| 10-25-2004 | The Cleveland Noise have removed Guy Diettrich from the trade block. |
| 09-05-2004 | The Cleveland Noise have placed Guy Diettrich on the trade block. |
| 09-05-2004 | The Cleveland Noise have moved Guy Diettrich to the active roster. |
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