| Date | Transaction |
| 09-06-1982 | The San Diego Pirates have waived Mel Winther. |
| 05-02-1982 | The San Diego Pirates have acquired Mel Winther from the waiver wire. |
| 09-07-1981 | The San Diego Pirates have waived Mel Winther. |
| 05-03-1981 | The San Diego Pirates have acquired Mel Winther from the waiver wire. |
| 08-25-1980 | The Cleveland Ironmen have waived Mel Winther. |
| 08-04-1980 | The Cleveland Ironmen have moved Billy Faison, Izzy Taylor, Mitch Sunde, John Smith, Willie Rockwell, Dan Hernandez, David Kofler, Wayne Broughton, Moe Barber, Don Sweet, Freddie Hueller, Mel Winther, Greg Moore, Shelly Lansford, Elijah Coltrane, and Lane Taylor to the active roster. The Cleveland Ironmen have moved Mack Jacox, Raymond Barry, Patsy Donovan, Mark Brown, Rex Kern, Tony Ventura, John Brockington, Brad Dowler, Buzzy Offenhauser, Bruiser Broadnax, Willie Roberts, Joe Jones, Ed Postupak, Ed Rusnock, Bob Collie, and Robbie See to the inactive roster. |
| 04-27-1980 | The Cleveland Ironmen have acquired Mel Winther from the waiver wire. |
| 04-27-1980 | The Cleveland Ironmen have waived Mel Winther. |
| 04-27-1980 | The Cleveland Ironmen have acquired Mel Winther from the waiver wire. |
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