| Date | Transaction |
| 02-28-2080 | Howard Heppner has retired from football. |
| 09-11-2079 | The San Jose Hawks have waived Howard Heppner. |
| 10-17-2078 | The San Jose Falcons have acquired Howard Heppner from the waiver wire. |
| 10-10-2078 | The New York Giants have waived Howard Heppner. |
| 10-10-2078 | The New York Giants have moved Howard Heppner to the inactive roster. |
| 10-02-2078 | Howard Heppner of the New York Giants is injured with a shoulder muscle strain and is expected to be out for approximately 18 days. |
| 09-12-2078 | The New York Giants have moved Howard Heppner to the active roster. The New York Giants have moved Tom Dimmick to the inactive roster. |
| 09-12-2078 | The New York Giants have acquired Howard Heppner from the waiver wire. |
| 09-05-2078 | The Calgary Royals have waived Howard Heppner. |
| 08-22-2078 | The Calgary Royals have placed Howard Heppner on the trade block. |
| 08-08-2078 | The Calgary Royals have moved Greg Falls, Clifton Enke, John Davis, Paul Thomason, Licks Forster, Larry Heater, Hunter Wagner, Milford Haws, Jim Bishop, Ross Estes, Ron Galloway, Barney Wells, Tommy Davis, Ray Cramer, Larry Mitchell, Dave Jones, Andy Lanier, and Matt Jones to the active roster. The Calgary Royals have moved Al Lubischer, Bruce Metzger, Glen Gehrke, Earl Spellman, Robert Stiger, Sammie Faulk, Bob Vassau, Sylvester Tyner, Jim Wilson, Greg Smith, Anthony Horton, Ed Coomer, Sammy Dixon, Howard Heppner, Ernie Wilcox, Van Capria, Sam Brock, Ed Robinson, Claude Keene, Ira Bell, and Anthony Hutchison to the inactive roster. |
| 08-24-2076 | The Calgary Royals have moved Howard Heppner to the active roster. |
| 08-10-2076 | The Calgary Royals have moved Clifton Enke, Daryl Frazier, Brendan Kopay, Earl Spellman, Bob Dickinson, Jason Armstrong, Todd Villa, Ray Cramer, Coby Bloedorn, Ray Cooks, Arch McFadden, Bob Schwedes, Ken Parks, and Steve Lewis to the active roster. The Calgary Royals have moved Hersh Cousin, Glen Gehrke, John Koken, Pop Autry, Robert Stiger, Jim Wilson, John Poole, James Paternoster, Greg Smith, Sean Turner, Howard Heppner, Van Capria, JaJuan Carter, Sam Brock, Mike Davies, Ed Robinson, Latin Simmons, Ira Bell, and Anthony Hutchison to the inactive roster. |
| 09-02-2075 | The Calgary Royals have moved Glen Gehrke, John Koken, Pop Autry, Robert Stiger, Jim Wilson, John Poole, Sean Turner, Howard Heppner, JaJuan Carter, Mike Davies, Ed Robinson, Latin Simmons, and Anthony Hutchison to the active roster. The Calgary Royals have moved Al Lubischer, Milt Robinson, Jason Armstrong, Todd Villa, Ray Cramer, Bob Schwedes, Harry Harris, John Wilcox, and Ken Parks to the inactive roster. |
| 08-05-2075 | The Calgary Royals have moved Ken Parks, Karl Leith, Milt Robinson, Claude Keene, Harry Harris, Chris Neuman, John Wilcox, Bob Schwedes, Cedric Jennings, Jason Armstrong, Ed Coomer, Ray Cramer, Marques Walden, and Frank Wharton to the active roster. The Calgary Royals have moved Mike Davies, Ed Robinson, Latin Simmons, Glen Gehrke, Jim Wilson, John Poole, Howard Heppner, Vern Krouse, John Koken, Dana Lowery, Pop Autry, Robert Stiger, Anthony Hutchison, Matt King, George Clark, Colt Peacemaker, Sean Turner, Greg Smith, and Reggie Humbert to the inactive roster. |
| 10-16-2073 | The Calgary Royals have removed Howard Heppner from the trade block. |
| 09-05-2072 | The Calgary Royals have moved Howard Heppner and Tony Sanders to the active roster. The Calgary Royals have moved Randall Robeson and Bruce Metzger to the inactive roster. |
| 09-04-2072 | The Calgary Royals have placed Howard Heppner on the trade block. |
| 08-08-2072 | The Calgary Royals have moved Al Lubischer, Bruce Metzger, Tom Dimmick, Jim Reinhard, Bob Gautt, Ernie Wilcox, Todd Capria, and Chuck Oubre to the active roster. The Calgary Royals have moved Vern Krouse, Mickey Pritchard, Cosmo Mitchell, Howard Heppner, and Tony Sanders to the inactive roster. |
| 12-23-2069 | The Las Vegas Royals have moved Howard Heppner and Jack Downey to the active roster. The Las Vegas Royals have moved A.D. Jacobs and Chuck Williams to the inactive roster. |
| 09-01-2069 | The Las Vegas Royals have moved Doug Evans, Jackie Mack, Bobby Lawrence, and Kyle Anderson to the active roster. The Las Vegas Royals have moved Robert Plummer, Howard Heppner, Jack Downey, and John Bailey to the inactive roster. |
| 08-05-2069 | The Las Vegas Royals have moved Robert Plummer, Jerry McAfee, A.D. Jacobs, Reggie Humbert, Howard Heppner, Jeff Federovich, Van Capria, Bobby Williams, Sam Brock, Jack Downey, Frank Franklin, Maurice Crouse, John Bailey, and Anthony Hutchison to the active roster. The Las Vegas Royals have moved Olin Spruill, Don Krenk, Doug Evans, Jamie Stein, Bob Brumfield, Dan Miller, Jackie Mack, Booger McFarland, Scott McKissack, Kyle Anderson, Michael McDonough, Tony Sanders, Bob Kilmer, and Kwamie Dowler to the inactive roster. |
Defensive End