Numbers in this table represent the number of minutes played at each position. ST represents special teams positions other than K or P.
| Date | Transaction |
| 02-28-1969 | Damon Benjamin has retired from football. |
| 09-02-1968 | The Saskatchewan Sasquatch have waived Damon Benjamin. |
| 11-06-1966 | Damon Benjamin of the Saskatchewan Sasquatch is injured with a mild concussion and is expected to be out for approximately 3 days. |
| 10-10-1965 | The Boston Jesters have placed Damon Benjamin on the trade block. |
| 05-03-1964 | Trade #43305 has been completed between the Boston Jesters and the Washington Xenomorphs. The Washington Xenomorphs receive Draft Pick - 1965 Round 3 (WAS) from the Boston Jesters in exchange for Damon Benjamin (RB). |
| 09-09-1963 | The Washington Xenomorphs have moved Ryan Mills, Lonnie Rosenthal, and Damon Benjamin to the active roster. The Washington Xenomorphs have moved Rashod Davidson, Pete Burgess, and Oscar Key to the inactive roster. |
| 09-01-1963 | The Washington Xenomorphs have moved Oliver Zirinsky, Laron Stewart, Wilbur Kilroy, Joe Robustelli, Kurt Johnson, Kevin Dubzinski, Louis Secord, Dale Malone, Al Compton, Tom Walter, Roy Smith, Brandon Lund, Brian Eissler, Rat Howard, Jeff Wiska, and Johnny Settle to the active roster. The Washington Xenomorphs have moved Pete Burgess, Eric Van Dyke, Richard Murrah, Frank Anderson, Mike Protz, Blaise Dickerson, Mike Bell, Rock Palmer, Jeff Hagberg, Barry Holmes, Damon Benjamin, Rick Mulleneaux, John Baker, Joe Currivan, Ed Papale, and Ed Knox to the inactive roster. |
| 08-11-1963 | The Washington Xenomorphs have moved Ed Papale, Pete Burgess, Blaise Dickerson, Jack Signaigo, Dar Smith, Hal Grabowski, Joe Currivan, Jim Crooms, James Reynolds, Bill Govan, Paul Harris, Harry Smith, Rashod Davidson, Jeff Hagberg, Rock Palmer, Barry Holmes, Damon Benjamin, Robert Duff, Rick Mulleneaux, Rian Kring, John Baker, Richard Murrah, and Ryan Mills to the active roster. The Washington Xenomorphs have moved Kenny Layden, Larry Herline, Leo Scarpitto, Kurt Johnson, Bashir Loukas, Louis Secord, Wilbur Kilroy, Tom Walter, Brandon Lund, Al Compton, Johnny Settle, Rat Howard, Travis Bright, Joe Robustelli, Ferrell Anderson, Jeff Wiska, Dale Malone, Bill Shoener, Eric Van Dyke, Laron Stewart, Roy Smith, Oliver Zirinsky, and Oscar Key to the inactive roster. |
| 08-05-1963 | The Washington Xenomorphs have moved Jethro Morales to the active roster. The Washington Xenomorphs have moved Art Miller and Damon Benjamin to the inactive roster. |
| 09-03-1962 | The Washington Xenomorphs have moved Damon Benjamin to the active roster. The Washington Xenomorphs have moved Rashod Davidson to the inactive roster. |
| 09-02-1962 | The Washington Xenomorphs have moved Roy Smith, Al Compton, Sammy Schmit, Laron Stewart, Leo Scarpitto, Ferrell Anderson, Art Miller, Ken Randle, and Brian Eissler to the active roster. The Washington Xenomorphs have moved Cory Kohl, Louis Baldwin, John Teeter, Joe Jefferson, Bill Geyer, Amos Taliaferro, Tom Gorgal, Richard Boulware, and Damon Benjamin to the inactive roster. |
| 08-26-1962 | The Washington Xenomorphs have moved Rick Larden, Max Ariail, Rian Kring, Eric Nagida, Blaise Dickerson, John Kell, Michael Boone, Joe Jefferson, Red Caranci, Damon Benjamin, Hal Grabowski, John Baker, and Amos Taliaferro to the active roster. The Washington Xenomorphs have moved Oliver Zirinsky, Art Miller, Ken Randle, Laron Stewart, Larry Herline, Wilbur Kilroy, Leo Scarpitto, Sammy Schmit, Louis Secord, Al Compton, Roy Smith, Brandon Lund, and Rat Howard to the inactive roster. |
| 08-19-1962 | The Washington Xenomorphs have moved Reggie Boireau, Sam Evans, Cory Kohl, Kevin Dubzinski, Ken Randle, Oliver Zirinsky, John Teeter, Brandon Lund, Al Compton, Joe Currivan, Barry Holmes, Travis Bright, Dan Potts, Sammy Schmit, Jeff Wiska, Laron Stewart, Mike Corley, Ed Kelley, Oscar Key, Kenny Layden, Leo Scarpitto, Larry Herline, Rashod Davidson, Louis Secord, Tom Walter, and Rat Howard to the active roster. The Washington Xenomorphs have moved Edward Oxendine, James Staysniak, Tom Gorgal, Rick Larden, Ferrell Anderson, John Kell, Willie Spirida, Red Caranci, Mal Kab, Rian Kring, Michael Boone, Blaise Dickerson, Damon Benjamin, Paul Harris, Joe Jefferson, Mike Brodie, John Baker, Neil Wallace, Jim Dumler, Antonio Curry, Marcus Sims, Frank Olsen, Kevin Novsek, Eric Nagida, Jason Bryan, and Amos Taliaferro to the inactive roster. |
| 08-06-1962 | The Washington Xenomorphs have moved Richard Boulware, Damon Benjamin, and George Jawish to the active roster. The Washington Xenomorphs have moved Lester Taylor, Ferrell Anderson, Art Miller, and Roy Smith to the inactive roster. |
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