| Date | Transaction |
| 02-28-1994 | Mel Leach has retired from football. |
| 09-02-1991 | The Nashville Sharks have moved Rufe Cook to the active roster. |
| 09-02-1991 | The Nashville Sharks have waived Mel Leach. |
| 08-06-1990 | The Nashville Sharks have moved Mike Washington, Frank Dimancheff, Steve Hall, Rip Thomas, and Matt Beebe to the active roster. The Nashville Sharks have moved Bill Layden, Mel Leach, Dameon Schlesinger, Dick Hernandez, and Gary Wright to the inactive roster. |
| 11-26-1989 | The Nashville Sharks have moved Mel Leach to the active roster. The Nashville Sharks have moved Johnnie Sullivan to the inactive roster. |
| 11-26-1989 | The Nashville Sharks have acquired Mel Leach from the waiver wire. |
| 08-21-1989 | The Cleveland Ironmen have waived Mel Leach. |
| 08-21-1989 | The Cleveland Ironmen have moved Rick Carlisle to the active roster. The Cleveland Ironmen have moved Mel Leach to the inactive roster. |
| 08-07-1989 | The Cleveland Ironmen have moved Mel Leach to the active roster. |
| 01-30-1989 | The Cleveland Ironmen have acquired Mel Leach from the waiver wire; however, as he was traded or waived after the deadline and has not spent a full week on the wire, he will not be eligible for the postseason. |
| 01-30-1989 | The Cleveland Ironmen have waived Mel Leach. |
| 01-22-1989 | The Cleveland Ironmen have acquired Mel Leach from the waiver wire; however, as he was traded or waived after the deadline and has not spent a full week on the wire, he will not be eligible for the postseason. |
| 01-22-1989 | The Cleveland Ironmen have waived Mel Leach. |
| 01-22-1989 | The Cleveland Ironmen have acquired Mel Leach from the waiver wire. |
| 08-22-1988 | The Cleveland Ironmen have waived Mel Leach. |
| 08-22-1988 | The Cleveland Ironmen have moved Rick Carlisle and Rosaire Paiement to the active roster. The Cleveland Ironmen have moved Arnie O'Neal and Mel Leach to the inactive roster. |
| 08-08-1988 | The Cleveland Ironmen have moved Bob Barry, Arnie O'Neal, Nick Pietrosante, Max Schmitz, Lloyd Pasquesi, Mark Brown, Pat Jones, Dante Lane, Frosty Rucker, Joe Howard, Loris Odomes, Scott Smith, Clayton Shannon, Arturo Brown, Mel Leach, Andy Katzenmoyer, Hal Fisk, Tyrone Frost, Joe McDuffie, Todd Hickman, Greg Richardson, Jerald Ball, Malcolm Darling, Melvin Scales, Danny Kyle, Clark Cecil, Bill Jett, Bob Talamini, Lee Calland, Milt Ziff, Jim Garrett, Greasy Neal, and Greg Hock to the active roster. The Cleveland Ironmen have moved Reese Jordan, Joe Blahak, Thelonious Rolls, Joe Hershey, Bob Tasca, Don Milk, Rick Carlisle, Sonny Brinkley, Elby Justice, Dave Silk, Al Underwood, Rex Kern, Albie Ra, Plato Vitalis, Moses Arbogast, Sixten Blixt, Tony Zale, Jack Frost, Ruby Vickers, Ziggy Rudd, Tony Postma, Derrick Morse, Bruno Sammartino, Charlie Pasteryak, Booker Essex, Reb Wickersham, Ray Guy, Elijah Baylor, Roger Perdrix, Marvel Updike, Ray May, Paul Warfield, and Rosaire Paiement to the inactive roster. |
| 05-01-1988 | The Cleveland Ironmen have acquired Mel Leach from the waiver wire. |
| 09-20-1987 | The Cleveland Ironmen have automatically waived Mel Leach to comply with the 53-man roster limit. |
| 09-14-1987 | The Cleveland Ironmen have moved Milt Ziff to the active roster. The Cleveland Ironmen have moved Mel Leach to the inactive roster. |
| 09-14-1987 | The Cleveland Ironmen have acquired Mel Leach from the waiver wire. |
| 09-07-1987 | The Las Vegas White Elephants have moved Leonard Harden, Najee Adams, and Austin Merrill to the active roster. |
| 09-07-1987 | The Las Vegas White Elephants have waived Mel Leach. |
| 10-06-1986 | The Las Vegas White Elephants have moved Bruce Murray to the active roster. The Las Vegas White Elephants have moved Pete Benjamin and Mel Leach to the inactive roster. |
| 09-21-1986 | Mel Leach of the Las Vegas White Elephants is injured with a knee derangement and is expected to be out for approximately 25 days. |
| 09-03-1984 | The Las Vegas White Elephants have moved Joe Howard, Mel Leach, Steve Anderson, and Joe Root to the active roster. The Las Vegas White Elephants have moved Paul Williams, Derrick Morse, Steve Puki, and Bill Jackson to the inactive roster. |
| 08-20-1984 | The Las Vegas White Elephants have acquired Mel Leach from the waiver wire. |
| 01-29-1984 | The Miami Plague have waived Mel Leach. |
| 10-23-1983 | The Miami Plague have acquired Mel Leach from the waiver wire. |
| 08-29-1983 | The Michigan Spartans have moved Terry Tipton to the active roster. |
| 08-29-1983 | The Michigan Spartans have waived Mel Leach. |
Wide Receiver