| Trans Num | Date | Details |
| 1989.1 | 2024-03-20 | Hawkins Tigers trade Sandy Alomar to the Houston Buffaloes for Dave Smith, Jose DeLeon, and Juan Agosto. |
| 1986.14 | 2021-12-28 | Houston Buffaloes trade Scott Bradley, Frank Pastore, and HOU 1987 #1 to the Cooperstown Giants for Jeff Calhoun and Dave Smith. |
| 1985.12 | 2021-05-14 | Houston Buffaloes trade Jeff Calhoun and Dave Smith to the Cooperstown Giants for Brad Lesley, Joe Sambito, and COO 1986 #1. |