| Date | Transaction |
| 02-28-1983 | Allen Long has retired from football. |
| 09-02-1979 | The Denver Dawgs have waived Allen Long. |
| 08-07-1978 | The Denver Dawgs have moved Jack Yoder, Adam Titensor, Jim Hurley, Bobby Hartnett, De'Mond Goebel, and Rudy Rivers to the active roster. The Denver Dawgs have moved Erik Sands, Tommy Jenkins, Ron Schleicher, Allen Long, Joe Goings, and Bill McClure to the inactive roster. |
| 09-06-1976 | The Denver Dawgs have moved Allen Long to the active roster. The Denver Dawgs have moved Malcolm Davis to the inactive roster. |
| 08-09-1976 | The Denver Dawgs have moved Adam Titensor, Chris Ananis, Willie Nalen, Charles Apple, Ray Stacy, Rudy Rivers, and Dave Pinkett to the active roster. The Denver Dawgs have moved Tom Thomas, Allen Long, Tony Goodspeed, Dave Reynolds, Jim Miraldi, Bob Lott, Bill McClure, and Ray Joseph to the inactive roster. |
| 08-16-1970 | The Denver Dawgs have moved Allen Long to the active roster. The Denver Dawgs have moved Sky Mack, Matt Perry, and Hank Jones to the inactive roster. |
| 08-16-1970 | Trade #49002 has been completed between the Washington Xenomorphs and the Denver Dawgs. The Denver Dawgs receive Allen Long (G), Neal Sbranti (RB) from the Washington Xenomorphs in exchange for Draft Pick - 1973 Round 3 (DEN). |
| 11-10-1969 | The Washington Xenomorphs have moved Rob Kraehe, John Farley, Jeff Hagberg, and Tony Moriarty to the active roster. The Washington Xenomorphs have moved Ricky Elliott, Max Dailey, Marcus DiNapoli, and Allen Long to the inactive roster. |
| 11-03-1969 | The Washington Xenomorphs have moved Allen Long, Neal Sbranti, and Joe Blazine to the active roster. The Washington Xenomorphs have moved Nick Moore, Mack Novak, and John Farley to the inactive roster. |
| 09-22-1969 | The Washington Xenomorphs have moved Rob Kraehe, Mack Novak, and Neal Sbranti to the active roster. The Washington Xenomorphs have moved Ricky Elliott, Max Dailey, and Allen Long to the inactive roster. |
| 09-15-1969 | The Washington Xenomorphs have moved Max Dailey and Allen Long to the active roster. The Washington Xenomorphs have moved Rob Kraehe and Tony Moriarty to the inactive roster. |
| 08-31-1969 | The Washington Xenomorphs have moved Darryl Grant, Brenden Thomas, Morris Joseph, Art Lauer, Drew Mincy, Len Tarver, Seneca Westbrook, Laron Stewart, Kurt Johnson, Wilbur Kilroy, Mike Niehaus, Lional Lauro, Doug Parker, Leather Al-Jabbar, Joe Blazine, and Brian Eissler to the active roster. The Washington Xenomorphs have moved Ricky Elliott, Bill Bagby, Sean Mannion, Max Dailey, Jim Weatherly, Mack Novak, Troy Richard, Jerry Breedlove, Hank Owens, Allen Long, Paul Bailey, Carl Young, Jeff Boyd, Bobby DeVries, Neal Sbranti, E.L. Ulinski, and Eric Clarke to the inactive roster. |
| 08-24-1969 | The Washington Xenomorphs have moved Ricky Elliott, Bill Bagby, Roy Smith, Sean Mannion, Troy Richard, Marcus DiNapoli, Allen Long, Jeff Hagberg, Carl Young, and Ravin Broadhurst to the active roster. The Washington Xenomorphs have moved Art Lauer, Len Tarver, Seneca Westbrook, Wilbur Kilroy, Mike Niehaus, Lional Lauro, John Jefferson, Joe Blazine, Rod Lindquist, and Brian Eissler to the inactive roster. |
| 08-17-1969 | The Washington Xenomorphs have moved Darryl Grant, Morris Joseph, Drew Mincy, Len Tarver, Nick Moore, Dick Vinatieri, Seneca Westbrook, Laron Stewart, Kurt Johnson, Wilbur Kilroy, Floyd Moran, Joey McDonald, Swede Harms, Lional Lauro, Doug Parker, Joe Blazine, Rod Lindquist, and Brian Eissler to the active roster. The Washington Xenomorphs have moved Ricky Elliott, Bryant Derby, Bill Bagby, Eddie Baker, Sean Mannion, Dominique Livers, Max Dailey, Jim Weatherly, Troy Richard, Marcus DiNapoli, Ray Baker, Craig Benirschke, Allen Long, Les Rutledge, Carl Young, Bobby DeVries, Frank Richardson, and Tony Moriarty to the inactive roster. |
| 08-10-1969 | The Washington Xenomorphs have moved Dwight Stenger, Bobby Duden, Ray Baker, Dominique Livers, E.L. Ulinski, Al Compton, Albert Ray, Allen Long, Bobby DeVries, Frank Richardson, Les Rutledge, Sean Mannion, Max Dailey, Jim Weatherly, Mack Novak, Ricky Elliott, Troy Richard, Bryant Derby, Marcus DiNapoli, Eddie Baker, Bill Bagby, and Jerry Breedlove to the active roster. The Washington Xenomorphs have moved Len Tarver, Ravin Broadhurst, Kurt Johnson, Lional Lauro, Doug Parker, Brian Eissler, Wilbur Kilroy, John Smith, Leather Al-Jabbar, Nick Moore, Joe Blazine, John Mallouf, Dick Vinatieri, Seneca Westbrook, Floyd Moran, Swede Harms, Dale Malone, Drew Mincy, Laron Stewart, Darryl Grant, Roy Smith, and Morris Joseph to the inactive roster. |
| 12-30-1968 | The Washington Xenomorphs have moved Mike Niehaus to the active roster. The Washington Xenomorphs have moved Allen Long to the inactive roster. |
| 12-16-1968 | The Washington Xenomorphs have moved Albert Ray, Bill Bagby, Mitch Reppond, Allen Long, and Seneca Westbrook to the active roster. The Washington Xenomorphs have moved Neal Sbranti, Leather Al-Jabbar, Mack Novak, Troy Richard, and Laron Stewart to the inactive roster. |
| 12-09-1968 | The Washington Xenomorphs have moved Leather Al-Jabbar, Eddie Brown, and Mack Novak to the active roster. The Washington Xenomorphs have moved Albert Ray, Bill Bagby, and Allen Long to the inactive roster. |
| 12-02-1968 | The Washington Xenomorphs have moved Rob Kraehe, Bill Bagby, Allen Long, and Neal Sbranti to the active roster. The Washington Xenomorphs have moved Mitch Reppond, Eddie Brown, Mack Novak, and Bobby Duden to the inactive roster. |
| 11-25-1968 | The Washington Xenomorphs have moved Albert Ray, Mack Novak, and Marcus DiNapoli to the active roster. The Washington Xenomorphs have moved Rob Kraehe, Leather Al-Jabbar, and Allen Long to the inactive roster. |
| 11-18-1968 | The Washington Xenomorphs have moved Allen Long, Bobby Duden, Ravin Broadhurst, and Leather Al-Jabbar to the active roster. The Washington Xenomorphs have moved Bill Bagby, Albert Ray, Eddie Baker, and Mack Novak to the inactive roster. |
| 10-28-1968 | The Washington Xenomorphs have moved Mack Novak, Swede Harms, and Leather Al-Jabbar to the active roster. The Washington Xenomorphs have moved Seneca Westbrook, Allen Long, and Mitch Reppond to the inactive roster. |
| 10-21-1968 | The Washington Xenomorphs have moved Marcus DiNapoli and Allen Long to the active roster. The Washington Xenomorphs have moved Mack Novak and Bobby Duden to the inactive roster. |
| 09-02-1968 | The Washington Xenomorphs have moved Morris Joseph, Drew Mincy, Al Compton, Seneca Westbrook, Laron Stewart, Mike Niehaus, Floyd Moran, Lional Lauro, and Brian Eissler to the active roster. The Washington Xenomorphs have moved Albert Ray, Eddie Baker, Sammy Schmit, Fernanza Quick, Allen Long, Harold Kidd, Carl Young, James Bancroft, and Neal Sbranti to the inactive roster. |
| 08-18-1968 | The Washington Xenomorphs have moved Art Lauer, Albert Ray, Roy Smith, Eddie Baker, Sammy Schmit, Allen Long, Richard Studdard, and Leather Al-Jabbar to the active roster. The Washington Xenomorphs have moved Morris Joseph, Al Compton, Laron Stewart, Mike Niehaus, Mitch Reppond, and Brian Eissler to the inactive roster. |
| 08-05-1968 | The Washington Xenomorphs have acquired Allen Long from the waiver wire. |
| 09-10-1967 | The Saskatchewan Sasquatch have automatically waived Allen Long to comply with the 53-man roster limit. |
Guard