| Date | Transaction |
| 02-28-1981 | Ollie Halverson has retired from football. |
| 08-18-1980 | The Arizona Bandits have moved Amos Tautalatasi and Pete Smith to the active roster. |
| 08-18-1980 | The Arizona Bandits have waived Ollie Halverson. |
| 12-18-1978 | The Arizona Bandits have moved Jeremiah Jones, Dwight Stenger, and Paul Garcia to the active roster. The Arizona Bandits have moved Adam Vatterott, Ollie Halverson, and Pete Smith to the inactive roster. |
| 08-21-1977 | The Arizona Bandits have acquired Ollie Halverson from the waiver wire. |
| 09-06-1976 | The Minnesota Hornets have waived Ollie Halverson. |
| 09-06-1976 | The Minnesota Hornets have moved Marcus Winther, Dennis Powell, Don Lund, James Brovelli, Johnny Heinlein, Eugene Bedford, Joaquin Thompson, Jay Bernich, Jack O'Sullivan, Anthony Valdez, Bob Morris, Zollie Scott, Kaleb Montgomery, Jeff Crowder, Ric Stone, Frank Stonesifer, and Calvin Hunsinger to the active roster. The Minnesota Hornets have moved Doug Williams, Ollie Halverson, Mike Ambrose, Don Coleman, Ernie Fowler, Milton Johnson, Vince Farber, Orlando Stonesifer, Mickey McGrew, Fred Philyaw, John Walter, George Davidson, and Jim Molenda to the inactive roster. |
| 08-09-1976 | The Minnesota Hornets have moved Ollie Halverson, Matt Carter, Fritz Ploeger, Drew Chipley, Don Coleman, Fred Philyaw, and John Walter to the active roster. The Minnesota Hornets have moved Dennis Powell, Don Lund, James Brovelli, Joaquin Thompson, Jeff Crowder, Dave Anderson, and Frank Stonesifer to the inactive roster. |
| 05-02-1976 | The Minnesota Hornets have acquired Ollie Halverson from the waiver wire. |
| 11-03-1974 | The Los Angeles RAMS have automatically waived Ollie Halverson to comply with the 53-man roster limit. |
| 09-16-1974 | The Los Angeles RAMS have moved Troy Richard to the active roster. The Los Angeles RAMS have moved Ollie Halverson to the inactive roster. |
| 04-28-1974 | The Los Angeles RAMS have moved Bobby Odom, John Sims, Ollie Halverson, Billy Curry, Hal Nolan, Ed Moore, Dave Avery, and Frank Richardson to the active roster. The Los Angeles RAMS have moved Randy Evans, Brenden Thomas, Scotty Buffington, John Smith, Marcus Thompson, David Avedisian, Dick Swanke, and John Jefferson to the inactive roster. |
| 04-28-1974 | The Los Angeles RAMS have acquired Ollie Halverson from the waiver wire. |
| 09-09-1973 | The Washington Xenomorphs have automatically waived Ollie Halverson to comply with the 53-man roster limit. |
| 09-02-1973 | The Washington Xenomorphs have moved Dwight Stenger, Doug Parker, John Mallouf, Dick Vinatieri, Antwoine Scott, John Briggs, Tom Tobin, Stan Sprinkle, and Ken Fuller to the active roster. The Washington Xenomorphs have moved Eugene Perini, Marvin Herron, Gregg Hooligan, Ollie Halverson, Jim Linne, Jim Anderson, Marv Williams, Gerald Johnson, and Frank Gauer to the inactive roster. |
| 08-26-1973 | The Washington Xenomorphs have moved Art Lauer, Bill Smith, Ollie Halverson, Kwame Pepper, Jim Anderson, Jim Linne, Frank Gauer, Marvin Herron, Chief Williams, Saul Nolting, Hessley Brigance, Eugene Perini, and Tony Lyman to the active roster. The Washington Xenomorphs have moved Larry Walton, Drew Mincy, Len Tarver, John Briggs, Tom Tobin, Dwight Stenger, Bill Babinecz, John Mallouf, Seneca Westbrook, Stan Sprinkle, Anthony Traynowicz, and Doug Parker to the inactive roster. |
| 04-29-1973 | The Washington Xenomorphs have acquired Ollie Halverson from the waiver wire. |
| 09-25-1972 | The Boston Copperheads have waived Ollie Halverson. |
| 08-27-1972 | The Boston Copperheads have placed Ollie Halverson on the trade block. |
| 08-20-1972 | The Boston Copperheads have moved Bernie Rogers to the active roster. The Boston Copperheads have moved Ollie Halverson to the inactive roster. |
| 08-14-1972 | The Boston Copperheads have moved Ollie Halverson to the active roster. The Boston Copperheads have moved Greg Bradshaw to the inactive roster. |
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