| Trans Num | Date | Details |
| 1988.11 | 2023-06-28 | Cooperstown Giants trade Al Nipper to the West Manchester Mandalorians for WMM 1988 #3. |
| 1985.5 | 2021-03-14 | Cooperstown Giants trade Steve Crawford to the Parker Cocaine Cobras for Rick Langford, Al Nipper, and Lee Tunnell. |