| Date | Transaction |
| 02-28-2003 | Mark Zimmerman has retired from football. |
| 08-09-1999 | The British Columbia Chargers have waived Mark Zimmerman. |
| 12-21-1997 | Mark Zimmerman of the British Columbia Chargers is injured with a shoulder muscle strain and is expected to be out for approximately 8 days. |
| 09-16-1996 | The British Columbia Chargers have moved Mark Zimmerman to the active roster. The British Columbia Chargers have moved Marcus Supernaw to the inactive roster. |
| 09-16-1996 | The British Columbia Chargers have acquired Mark Zimmerman from the waiver wire. |
| 08-19-1996 | The Portland Strikes have waived Mark Zimmerman. |
| 08-19-1996 | The Portland Strikes have moved Mark Zimmerman to the active roster. The Portland Strikes have moved Scott Franckhauser to the inactive roster. |
| 04-28-1996 | The Portland Strikes have moved Rick Trahan, Kanavis Fieldings, Robert Sienkiewicz, Craig Hunter, Sal Winkler, Kevin Woolford, Anthony Balmer, Ove Andruzzi, Billy Koontz, Dickie Gamache, Johnny Toothpuller, John Baird, Rashard Odle, Darrell Doyle, John McNamara, Shawntae Goldson, Ray Timberlake, and Leonard Long to the active roster. The Portland Strikes have moved Dan Jolley, Dick Turnbow, Willy Finzer, Randy Lear, Mike Sorey, Ron Tomaini, Leo Calligaro, Sidney Rothwell, Eddie Donnalley, George McAlister, Tony Rhinehart, Jug Howard, Wayne Davis, Mark Zimmerman, Andy Jasper, Izzy Gallery, David Ralph, and Charles Hudson to the inactive roster. |
| 01-28-1996 | The Portland Strikes have moved Dan Jolley and Mark Zimmerman to the active roster. The Portland Strikes have moved Paul Moore and Lou Davis to the inactive roster. |
| 01-28-1996 | The Portland Strikes have moved Ralph Blanda, Jack Schulz, Tom Fucci, Amos Williams, Eddie Donnalley, Steve Bass, Andy Reno, Dennis Sandefur, and Tommy Mickey to the active roster. The Portland Strikes have moved Dan Jolley, Paul Baird, Steve Fair, Dave Rorison, Bill Joiner, Mark Zimmerman, Glen Prader, John Roessler, and Kelvin Dykes to the inactive roster. |
| 09-04-1995 | The Portland Strikes have moved David Ralph, Matt Gradishar, Wayne Davis, and Mark Zimmerman to the active roster. The Portland Strikes have moved Charles Hudson, Ben Perez, Billy Koontz, and Benny Avellini to the inactive roster. |
| 08-14-1995 | The Portland Strikes have moved Layne Wham, John Baird, Ben Perez, and Bob Harris to the active roster. The Portland Strikes have moved Belf Smith, Mark Zimmerman, Andy Jasper, and David Ralph to the inactive roster. |
| 09-26-1994 | The Portland Strikes have moved Lou Davis, Steve Fair, Jeff Combs, Seneca Slater, Dave Rorison, Denny Blackwood, Mark Zimmerman, Glen Prader, and Belf Smith to the active roster. The Portland Strikes have moved Wayne Davis, Leo Calligaro, John Staff, Dick Wilson, Tommy Mickey, Dexter Winkel, Andy Reno, Mark Fowler, and Amos Williams to the inactive roster. |
| 09-19-1994 | The Portland Strikes have moved Dick Wilson, Tom Fucci, Amos Williams, Leo Calligaro, Matt Gradishar, Dexter Winkel, Andy Reno, and Tommy Mickey to the active roster. The Portland Strikes have moved Belf Smith, Jeff Combs, Seneca Slater, Steve Fair, Dave Rorison, Lou Davis, Mark Zimmerman, and Glen Prader to the inactive roster. |
| 08-22-1994 | The Portland Strikes have moved Sam Baker and Mark Zimmerman to the active roster. The Portland Strikes have moved Andy Reno and Dick Turnbow to the inactive roster. |
| 05-01-1994 | The Portland Strikes have moved David Ralph, Karl Irvin, Doc Card, John McNamara, Bill Weatherly, Charles Bodie, John Baird, Tom Fucci, Leo Calligaro, Zion Edwards, Ken Tilleman, and Butch Kowalski to the active roster. The Portland Strikes have moved Michael Jenkins, Dan Jolley, Jack Schulz, Andy Jasper, Seneca Slater, Wayne Davis, Dennis Sandefur, Sam Baker, Ron Tomaini, Steve Fair, Mark Zimmerman, and Fred Parker to the inactive roster. |
| 08-23-1993 | The Portland Strikes have moved Mark Zimmerman to the active roster. |
| 05-02-1993 | The Portland Strikes have moved Jair Garcia, Edmund Samuelson, Ty McNulty, Bernard Hunter, Paul Keel, David Nathan, Megs Hall, Ryan Campbell, Wayne McQuarters, Milo Otis, Doc Card, Lee Ellison, Roy Hohn, Behind DeClerk, Ron Ray, Jim Kramer, Bill Cifers, Brian Mitchell, Eddie Donnalley, George Caffey, Michael Urban, Tom Broussard, I.M. Cook, John McNamara, Shawntae Goldson, Chuck Roton, Jim Wilkerson, and Ed Colavito to the active roster. The Portland Strikes have moved Tim Snowden, Lynn Manuel, Herb Cascadden, Richard Barney, Dan Jolley, Sam Baker, George Terrell, Fred Parker, Glen Wright, John Kelly, Jeff Combs, Seneca Slater, Manny Farmer, Jamaicon Villegas, Ron Tomaini, Steve Fair, Tom Fucci, Matt Gradishar, Mike Jones, Tony Rhinehart, Michael Jenkins, Wayne Davis, Dennis Sandefur, Mark Zimmerman, Glen Prader, John Roessler, Kelvin Dykes, and David Ralph to the inactive roster. |
| 09-07-1992 | The Portland Strikes have moved John Roessler, Kelvin Dykes, David Ralph, Hodges Bradshaw, Shayne White, John Kelly, Seneca Slater, Leon Reinke, Lynn Manuel, Ahmed Prioleau, Sam Baker, Willy Finzer, Steve Fair, Mark Zimmerman, Glen Prader, David Reynolds, Fred Parker, Randy Lear, Glen Wright, and Charlie Schuh to the active roster. The Portland Strikes have moved Lynn Small, Paul Keel, Megs Hall, Bill Levenick, Troy Tiller, I.M. Cook, Matt Gradishar, John McNamara, Doyle Kammerer, Walt Simmons, Chuck Roton, John Haynes, Eric Robbins, Ralph Connelly, and Winston Washington to the inactive roster. |
| 05-03-1992 | The Portland Strikes have moved Tremayne Hultz, Ted Jimerson, Walt Simmons, Bernardo Norman, Ralph Connelly, Tom Hardy, Carl Franklin, David Nathan, Wayne McQuarters, Bill Levenick, Troy Tiller, Bruno Kranz, Doc Card, Jimmie Pivec, Robert Taylor, Charley Hale, Roy Hohn, Bob Ward, Matt Gradishar, Bill Cifers, Mike Jones, Dante Larson, Eric Robbins, George Caffey, Rodney McCray, Ed Colavito, Gene Newberry, and Rufus Livingston to the active roster. The Portland Strikes have moved Lynn Manuel, Hodges Bradshaw, Dan Jolley, Sam Baker, Jack Schulz, Willy Finzer, David Reynolds, Fred Parker, Randy Lear, Paul Keel, Megs Hall, John Kelly, Seneca Slater, Richard Martin, Ron Tomaini, Steve Fair, Leon Reinke, Dave Rorison, Doyle Kammerer, Eddie Donnalley, Pete Greaves, Dennis Sandefur, Mark Zimmerman, Glen Prader, Shayne White, John Roessler, Kelvin Dykes, David Ralph, Lynn Small, and Charles Hudson to the inactive roster. |
| 10-21-1991 | The Portland Strikes have moved Mark Zimmerman to the active roster. The Portland Strikes have moved Glen Prader to the inactive roster. |
| 10-20-1991 | The Portland Strikes have acquired Mark Zimmerman from the waiver wire. |
| 09-02-1991 | The Chicago Bears have waived Mark Zimmerman. |
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