| Date | Transaction |
| 08-24-1992 | The Washington Xenomorphs have waived David Laughlin. |
| 08-23-1992 | The Washington Xenomorphs have moved Jim Scott, Danny Thomas, Lamar Crudup, Gerald Croudip, Curtis Bundra, Wilbur Cunningham, Kelen Williamson, Milt Baldinger, Jon Scott, Frank Poole, Travis Boso, Joe Davis, Mike Gossett, Aaron Compton, Joe Denfield, Ephraim Grant, Drew Brooks, David Reese, Dedrick Berti, Alex Thomas, Malcolm Faulk, Chip Burnette, Mark Franklin, and John Kline to the active roster. The Washington Xenomorphs have moved Dick Austin, Dean Drzewiecki, Les Kovac, Freddie Stephens, Jim Johnson, Bob Cearing, Bill Thompson, Vaughn Moore, Chris Clatterbuck, Frank Young, Chuck Smith, Dorne Underwood, Kevin Brown, Frank Washington, Antico McDermott, Tex Rosatti, David Laughlin, Marv Paige, Jack Chelf, Jimmy Saimes, Reggie Daffer, Dick West, Carl Abrams, and Duke Collins to the inactive roster. |
| 08-16-1992 | The Washington Xenomorphs have moved Honolulu Fanucci, Kevin Brown, Jack Chelf, Lem Bellisari, Dick West, Carl Abrams, David Laughlin, Jimmy Saimes, Tex Rosatti, Joe Tillman, Bill Parriott, Anthony Lazetich, Herbie Hall, Bill Thompson, Duke Collins, Antico McDermott, Randy Slater, Freddie Stephens, Jim Johnson, Mike Barrett, Les Kovac, Bob Cearing, Bill Bonner, Frank Young, Chuck Smith, and Vaughn Moore to the active roster. The Washington Xenomorphs have moved Dedrick Berti, Wilbur Cunningham, Pete Kahler, Ephraim Grant, Alex Thomas, Chip Burnette, Mark Franklin, Mike Gossett, Joe Denfield, Michael Owens, Milt Baldinger, Malcolm Faulk, Lamar Crudup, Kelen Williamson, Travis Boso, Joe Davis, Aaron Compton, Drew Brooks, Cletidus Swann, Charle Summerell, John Kline, Jim Scott, Danny Thomas, Gerald Croudip, Curtis Bundra, and Kevon White to the inactive roster. |
| 05-03-1992 | The Washington Xenomorphs have acquired David Laughlin from the waiver wire. |
| 09-02-1991 | The Washington Xenomorphs have waived David Laughlin. |
| 09-01-1991 | The Washington Xenomorphs have moved Pete Kahler, Kevon White, Alex Thomas, Mark Franklin, Malcolm Faulk, Wilbur Cunningham, Ephraim Grant, Milt Baldinger, Kevin Brown, Lamar Crudup, Dedrick Berti, Travis Boso, Joe Davis, Danny Thomas, Cletidus Swann, Charle Summerell, John Kline, Mike Gossett, and Michael Owens to the active roster. The Washington Xenomorphs have moved Mike Fisk, Tex Rosatti, Wilber Prestel, Lem Bellisari, Lavie Rayam, Jim Tschappatt, Anthony Lazetich, David Franklin, Herbie Hall, Vaughn Moore, Drew Chamberlain, Les Kovac, Bob Cearing, Bill Bonner, Chuck Smith, Tyrone Bock, James Jurgensen, David Laughlin, and Jim Darkins to the inactive roster. |
| 08-11-1991 | The Washington Xenomorphs have moved Dan Johnson, Tex Rosatti, Dee Caveness, John Katolin, Dean Drzewiecki, Joe Tillman, Wilber Prestel, Lem Bellisari, Lavie Rayam, Jim Tschappatt, Roscoe Bailey, Bill Parriott, David Franklin, Herbie Hall, Bill Thompson, Vaughn Moore, Drew Chamberlain, Honolulu Fanucci, Bob Cearing, Chuck Smith, Tyrone Bock, David Laughlin, Jim Darkins, Harry Scott, and Curt Nguyen to the active roster. The Washington Xenomorphs have moved Pete Kahler, Kevon White, Alex Thomas, Mark Franklin, Malcolm Faulk, Wilbur Cunningham, Ephraim Grant, Mike Fisk, Ron Barni, Chip Burnette, Milt Baldinger, Jon Scott, Kevin Brown, Lamar Crudup, Travis Boso, Joe Davis, Aaron Compton, Curtis Bundra, Cletidus Swann, Charle Summerell, John Kline, Mike Gossett, Joe Denfield, Michael Owens, and John Watts to the inactive roster. |
| 04-28-1991 | The Washington Xenomorphs have acquired David Laughlin from the waiver wire. |
| 09-10-1989 | The Pittsburgh Power have automatically waived David Laughlin to comply with the 53-man roster limit. |
Defensive Tackle