| Date | Transaction |
| 02-28-1971 | Bob Callahan has retired from football. |
| 08-16-1970 | The British Columbia Owls have moved Sid Morris to the active roster. The British Columbia Owls have moved Don Carroll to the inactive roster. |
| 08-16-1970 | The British Columbia Owls have waived Bob Callahan. |
| 08-10-1970 | The British Columbia Owls have moved Tommy Boensch, Ray Plunkett, Al Leisk, and Larry Hunter to the active roster. The British Columbia Owls have moved Freddie McGee, Bob Putzier, and Bob Callahan to the inactive roster. |
| 08-08-1966 | The British Columbia Owls have moved Bob Callahan, Mark Sutton, Mike Crowder, Mike Chrebet, Kerry Ponder, Al Long, Fritz McClairen, Dexter Schmarr, Nate Stotsberry, Raymond Emelianchik, Harry Asher, and Edward Thompson to the active roster. The British Columbia Owls have moved Freddie McGee, Howie Smith, Derrick Jones, Butch Soltis, Jerome Brown, Matt Milons, Ken Lomax, Zeron Duggins, Roy Bradley, Warren Draper, Jamain Sharper, Jake Baumgartner, and Red Fourcade to the inactive roster. |
| 09-06-1965 | The British Columbia Owls have moved Bryan Coppens to the active roster. The British Columbia Owls have moved Bob Callahan to the inactive roster. |
| 05-02-1965 | The British Columbia Owls have moved Bob Callahan, Gordon Fitzgerald, Allen Johnson, Mark Sutton, Bob Putzier, Al Long, Robert Lally, and Bob Gorman to the active roster. The British Columbia Owls have moved Butch Soltis, Jerome Brown, Chris Herchman, Matt Milons, Everett Riblett, Dat Tonnemaker, Ollie Roberson, Jamain Sharper, and Jake Baumgartner to the inactive roster. |
| 01-18-1965 | The British Columbia Owls have moved Elmer Marion to the active roster. The British Columbia Owls have moved Bob Callahan to the inactive roster. |
| 01-18-1965 | The British Columbia Owls have moved Bob Callahan to the active roster. The British Columbia Owls have moved Butch Soltis to the inactive roster. |
| 08-16-1964 | The British Columbia Owls have moved Sam Wheat and Edward Thompson to the active roster. The British Columbia Owls have moved Bob Callahan and Allen Johnson to the inactive roster. |
| 10-21-1962 | The Portland Pioneers have moved Bob Callahan to the active roster. The Portland Pioneers have moved Tim Kollar to the inactive roster. |
| 09-03-1962 | The Portland Pioneers have moved Ike Brandes, James Governali, Edward Thompson, Tim Kollar, and Johnny Betterson to the active roster. The Portland Pioneers have moved Charles Darre, Dana Costict, John Scafide, Larry Cumby, and Bob Callahan to the inactive roster. |
| 08-06-1962 | The Portland Pioneers have moved Robert Lally, Ed Grimes, Ross Goodman, Howie Smith, and Bob Callahan to the active roster. The Portland Pioneers have moved Ike Brandes, James Governali, Edward Thompson, Tim Kollar, and Johnny Betterson to the inactive roster. |
| 09-03-1961 | The Portland Pioneers have moved Travis Fenner, Elvis Broadnax, Ed Grimes, Al Hart, Bob Callahan, and Ernie O'Brien to the inactive roster. |
| 08-07-1961 | The Portland Pioneers have moved Freddie McGee, Zeron Duggins, Tim Kollar, Ed Grimes, Mark Lanier, Bob Callahan, and Gordon Fitzgerald to the active roster. The Portland Pioneers have moved Ty Boyd, David Fox, Jack Clemons, Ed Scarlett, Pete Brumfield, and Gale Lippett to the inactive roster. |
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