| Date | Transaction |
| 08-24-2037 | The Cleveland Ironmen have waived Mike Butler. |
| 08-24-2037 | The Cleveland Ironmen have moved Pierre LaCroix, Wray Carleton, Buddy Dial, Bill Brown, Ron Brinker, Ray Beadle, Joe Budka, Joe Carollo, George Hasenohrl, Yale Lary, Billy Joe Royal, and John Henry Johnson to the active roster. The Cleveland Ironmen have moved Juicy Jamerson, Howard Komives, Frank Strosnider, Art Major, Woodley Lewis, Allen Funt, Mike Butler, Lynn Stalmaster, Herbie Quick, Durwood Kirby, Rod Laver, and Don Brumm to the inactive roster. |
| 08-10-2037 | The Cleveland Ironmen have acquired Mike Butler from the waiver wire. |
| 09-07-2036 | The Cleveland Ironmen have automatically waived Mike Butler to comply with the 53-man roster limit. |
| 09-01-2036 | The Cleveland Ironmen have moved Willie Davis, George Hasenohrl, Len Ford, and Henry Jordan to the active roster. The Cleveland Ironmen have moved Ron Brinker, Ben Turpin, Corey Ferguson, and Mike Butler to the inactive roster. |
| 08-04-2036 | The Cleveland Ironmen have moved Joe Lindsey, Buck Crockett, Ben Turpin, Leroy Cook, and Mike Butler to the active roster. The Cleveland Ironmen have moved Ray Beadle, Willie Davis, George Hasenohrl, Len Ford, and Bob Heinz to the inactive roster. |
| 04-27-2036 | The Cleveland Ironmen have acquired Mike Butler from the waiver wire. |
| 08-26-2035 | The Montreal Mastodon have waived Mike Butler. |
| 09-03-2034 | The Montreal Mastodon have moved Willard Tuinei, Buddy Sorrell, and Wayne "Fezzik" Stephens to the active roster. The Montreal Mastodon have moved Tim Lee, Marv Evans, and Mike Butler to the inactive roster. |
| 08-28-2034 | The Montreal Mastodon have moved Mike Butler to the active roster. The Montreal Mastodon have moved Wayne "Fezzik" Stephens to the inactive roster. |
| 08-28-2034 | The Montreal Mastodon have acquired Mike Butler from the waiver wire. |
| 08-27-2034 | The Cleveland Ironmen have automatically waived Mike Butler to comply with the 65-man roster limit. |
| 08-21-2034 | The Cleveland Ironmen have moved Tubby Gordon, Ray Beadle, Joe Budka, Billy Joe Royal, Jim DeLisle, Gordie Borden, Rob Belair, Carleton Rodgers, Cecil Isbell, and Rudy Ford to the active roster. The Cleveland Ironmen have moved Shelby Foote, Lenny Bruce, Mike Nelson, Mike Butler, Jumbo Johnson, Emmett Till, Moby Richards, Hooked Trout, Paul Bailey, Dickie Moore, Quentin Quick, Joe Griggs, Calvin Ferrari, and Quinton McCrackin to the inactive roster. |
| 08-07-2034 | The Cleveland Ironmen have moved Moby Richards, Ben Turpin, Mike Butler, and Dom DeLuise to the active roster. The Cleveland Ironmen have moved Jimmie Kennedy, Jim DeLisle, George Hasenohrl, Bob Heinz, and Henry Jordan to the inactive roster. |
| 04-30-2034 | The Cleveland Ironmen have acquired Mike Butler from the waiver wire. |
| 01-30-2034 | The Cleveland Ironmen have waived Mike Butler. |
| 01-30-2034 | The Cleveland Ironmen have acquired Mike Butler from the waiver wire. |
| 09-12-2033 | The St. Louis Cardinals have waived Mike Butler. |
| 09-05-2033 | The St. Louis Cardinals have acquired Mike Butler from the waiver wire. |
| 08-22-2033 | The Cleveland Ironmen have waived Mike Butler. |
| 08-22-2033 | The Cleveland Ironmen have moved Booker Shelby, Bob Heinz, Reggie Corner, and Henry Jordan to the active roster. The Cleveland Ironmen have moved Frank Mars, Bingo Rider, Mike Butler, Emmett Till, and Moby Richards to the inactive roster. |
| 08-08-2033 | The Cleveland Ironmen have moved Pat Siegert, Emmett Till, Billy Selby, Rick Haddix, Sam DuBose, Roy Wingo, Mike Butler, Chuck Testaverde, Moby Richards, Mike Nelson, Bingo Rider, and Curtis Paten to the active roster. The Cleveland Ironmen have moved Doug Favell, George Hasenohrl, Len Ford, Dan Blocker, Jack Pardee, Henry Jordan, Booker Shelby, Bob Heinz, Earsell Macbee, Reggie Corner, Tubby Gordon, and Jimmie Kennedy to the inactive roster. |
| 05-01-2033 | The Cleveland Ironmen have acquired Mike Butler from the waiver wire. |
| 08-23-2032 | The Cleveland Ironmen have waived Mike Butler. |
| 08-23-2032 | The Cleveland Ironmen have moved Ray Beadle, Archie Strunk, Henry Jordan, Booker Shelby, and Bob Heinz to the active roster. The Cleveland Ironmen have moved Emmett Till, Mike Butler, Marlin Perkins, Andy Tommy, and Bingo Rider to the inactive roster. |
| 08-09-2032 | The Cleveland Ironmen have moved Bingo Rider, Tony Nancy, Billy Dee Jones, Marlin Perkins, Ed Wilson, Mike Hardy, John Mackey, Darrell Yakavonis, Dave Hopkins, Nate Jones, Elliot Matan, Al Van Every, Jim Skipper, Allen Funt, Mike Butler, Herb Frisbee, Emmett Till, Rick Haddix, and Lenny Bruce to the active roster. The Cleveland Ironmen have moved Jim DeLisle, Buddy Dial, Doug Mackie, Ray Beadle, Max Factor, Doug Favell, George Hasenohrl, Tim Fox, Len Ford, Booker Shelby, Reggie Corner, Duncan Hines, Billy Joe Royal, John Husband, Ron Jessie, Monte Stickles, Bruce McLaren, John Henry Johnson, Carleton Rodgers, and Earsell Macbee to the inactive roster. |
| 01-05-2032 | The Cleveland Ironmen have acquired Mike Butler 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. |
| 01-05-2032 | The Cleveland Ironmen have waived Mike Butler. |
| 01-05-2032 | The Cleveland Ironmen have acquired Mike Butler from the waiver wire. |
| 11-16-2031 | The Cleveland Ironmen have automatically waived Mike Butler to comply with the 53-man roster limit. |
| 09-28-2031 | The Cleveland Ironmen have acquired Mike Butler from the waiver wire. |
| 09-28-2031 | The Cleveland Ironmen have waived Mike Butler. |
| 09-01-2031 | The Cleveland Ironmen have moved Warren Capone, Tony Colavito, Jim DeLisle, George Hasenohrl, Tim Fox, Len Ford, Booker Shelby, Bob Heinz, Reggie Corner, John Reger, Jack Pardee, and Earsell Macbee to the active roster. The Cleveland Ironmen have moved Bingo Rider, Amos Justice, Mike Nelson, Andy Tommy, Marion Stewart, Jim Frick, Frank Mars, Jim Skipper, Mike Butler, Emmett Till, Dom DeLuise, and Bob Haddix to the inactive roster. |
| 08-04-2031 | The Cleveland Ironmen have moved Amos Justice, Andy Tommy, Marion Stewart, Mike Butler, Bob Barber, and Dom DeLuise to the active roster. The Cleveland Ironmen have moved Jim DeLisle, Rick Cleveland, Ray Beadle, George Hasenohrl, Len Ford, and Bob Heinz to the inactive roster. |
| 04-27-2031 | The Cleveland Ironmen have acquired Mike Butler from the waiver wire. |
| 12-01-2030 | The Nashville Sharks have automatically waived Mike Butler to comply with the 53-man roster limit. |
| 08-27-2029 | Trade #92496 has been completed between the Cleveland Ironmen and the Nashville Sharks. The Nashville Sharks receive Mike Butler (DT) from the Cleveland Ironmen in exchange for Jamal Caterbone (DE). |
| 08-26-2029 | The Cleveland Ironmen have changed Kevin Pavkov's name to Mike Butler. |
| 08-26-2029 | The Cleveland Ironmen have acquired Kevin Pavkov from the waiver wire. |
| 08-13-2029 | The Chicago Dawgs have waived Kevin Pavkov. |
Defensive Tackle