| Trans Num | Date | Details |
| 1979.37 | 2021-05-04 | Lucasville Darkside trades Gaylord Perry to the Fort Worth Swindlers for Jerry Mumphrey, Milt Wilcox, and FWS 1980 #4. |
| 1979.29 | 2021-04-30 | West Coast Jumble trades Rudy May, Jerry Mumphrey, JUM 1980 #2, and FWS 1980 #4 to the Fort Worth Swindlers for Jerry Garvin, Rick Monday, John Wathan, and FWS 1980 #5. |
| 1978.17 | 2021-01-14 | West Coast Jumble trades to the Chesapeake Blue Herons for Jerry Mumphrey. |