| Date | Transaction |
| 02-28-2074 | Mack Sampson has retired from the Sacramento Jokers. |
| 12-25-2072 | Mack Sampson of the Sacramento Jokers is injured with a moderate concussion and is expected to be out for approximately 19 days. |
| 12-06-2071 | Mack Sampson of the Sacramento Jokers is injured with a leg contusion and is expected to be out for approximately 6 days. |
| 11-16-2070 | Mack Sampson of the Sacramento Jokers is injured with a finger fracture and is expected to be out for approximately 5 days. |
| 08-26-2069 | The Colorado Bucking Bison have acquired Mack Sampson from the waiver wire. |
| 08-18-2069 | The British Columbia Brawlers have waived Mack Sampson. |
| 08-12-2069 | The British Columbia Brawlers have moved Mack Sampson to the inactive roster. |
| 08-11-2069 | The British Columbia Brawlers have removed Mack Sampson from the trade block. |
| 09-30-2068 | The British Columbia Brawlers have moved Mack Sampson to the active roster. |
| 08-06-2068 | The British Columbia Brawlers have moved Steve Arnold, Dick Faulk, Andre Kelso, Jim Prioleau, Joe Kelley, Garry Bell, Stan Campbell, and Levar Cowlings to the active roster. The British Columbia Brawlers have moved Rob Elliott, Joe Gill, Dennis Banks, Mack Sampson, Hal Dingle, Cris Barzilauskas, Dickie Pisarstik, Dave Nichols, and Carl Bethune to the inactive roster. |
| 12-26-2067 | The British Columbia Brawlers have moved Dub Weary and Mack Sampson to the active roster. The British Columbia Brawlers have moved J.S. Lang and Dick Faulk to the inactive roster. |
| 10-30-2067 | The British Columbia Brawlers have moved Dave Nichols and Larry Hunter to the active roster. The British Columbia Brawlers have moved Mack Sampson and Jackie Huff to the inactive roster. |
| 10-09-2067 | The British Columbia Brawlers have moved Mack Sampson and Thomas Akins to the active roster. The British Columbia Brawlers have moved Vern Gassert and Dave Nichols to the inactive roster. |
| 09-04-2067 | The British Columbia Brawlers have moved Mike Pyles, Dave Nichols, Michael Snyder, Hal Dingle, Joe Gill, Tim Briggs, and Rob Elliott to the active roster. The British Columbia Brawlers have moved Mack Sampson, Steve Arnold, Robert Stedman, Jim Harris, Drake Clark, and Jackie Huff to the inactive roster. |
| 12-27-2066 | The British Columbia Brawlers have moved Mack Sampson to the active roster. The British Columbia Brawlers have moved Dick Faulk to the inactive roster. |
| 08-29-2066 | The British Columbia Brawlers have placed Mack Sampson on the trade block. |
| 08-09-2066 | The British Columbia Brawlers have moved Dick Faulk, J.S. Lang, Drake Clark, Jesse Brown, Mike Pyles, Chet Cain, and Pete Agase to the active roster. The British Columbia Brawlers have moved Grant Dombrowski, Lloyd Marshall, Mack Sampson, Michael Snyder, Dave Nichols, Carl Bethune, and Phil Sanborn to the inactive roster. |
| 08-25-2064 | The British Columbia Brawlers have moved Mack Sampson to the active roster. |
| 08-04-2064 | The British Columbia Brawlers have moved Hal Iverson and Mike Supulski to the active roster. The British Columbia Brawlers have moved Nick Stock and Mack Sampson to the inactive roster. |
| 09-03-2063 | The British Columbia Brawlers have moved Mack Sampson to the active roster. The British Columbia Brawlers have moved Earnest Baldwin to the inactive roster. |
| 09-02-2063 | The British Columbia Brawlers have moved Thomas Barry to the active roster. The British Columbia Brawlers have moved Mack Sampson to the inactive roster. |
| 09-14-2059 | The British Columbia Brawlers have moved Mack Sampson to the active roster. The British Columbia Brawlers have moved Carl Mertz to the inactive roster. |
| 09-07-2059 | The British Columbia Brawlers have moved Dean Schwammel, Herb White, Jack Frahm, and Carlos Cancana to the active roster. The British Columbia Brawlers have moved Brooks Naumoff, Mark Grace, Mack Sampson, and Milton Harris to the inactive roster. |
| 08-04-2059 | The British Columbia Brawlers have moved Buster Ekuban, Mack Sampson, Cris Barzilauskas, and Dub Weary to the active roster. The British Columbia Brawlers have moved Dean Schwammel, Larry Cosbie, Herb White, and Jack Frahm to the inactive roster. |
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