| Trans Num | Date | Details |
| 1990.25 | 2024-10-28 | Cooperstown Giants trade Lance Johnson, Mark Whiten, Stan Belinda, COO 1991 #4, MON 1991 #4, and PCC 1991 #4 to the Oklahoma Tornados for Dennis Eckersley, Greg Hibbard, Keith Comstock, and Lonnie Smith. |
| 1989.4 | 2024-03-24 | Kits Beach Crickets trade Bert Blyleven, Keith Comstock, KBC 1989 #1, and KBC 1989 #2 to the Oklahoma Tornados for Steve Howe and OKL 1989 #1. |