| Date | Transaction |
| 02-28-2051 | Mack Calvin has retired from the Cleveland Ironmen. |
| 01-29-2051 | The Cleveland Ironmen have acquired Mack Calvin 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. |
| 01-29-2051 | The Cleveland Ironmen have waived Mack Calvin. |
| 01-29-2051 | The Cleveland Ironmen have acquired Mack Calvin from the waiver wire. |
| 09-11-2050 | The Cleveland Ironmen have automatically waived Mack Calvin to comply with the 53-man roster limit. |
| 09-05-2050 | The Cleveland Ironmen have moved Kirk Barton, Roosevelt Brown, Roger LeClerc, Mac Speedie, Cookie Rojas, Hopalong Cassady, Cincinnatus Powell, and Royce Smith to the active roster. The Cleveland Ironmen have moved Tony Rajski, Shake Robinson, Chuck Cheeseman, Jeff Van Note, Oscar Reed, Kevin Singletary, Mack Calvin, and Andy Devine to the inactive roster. |
| 08-08-2050 | The Cleveland Ironmen have moved Buck Henry, Dan Conners, Andy Devine, Salvo Boiardi, Mack Calvin, Chris Davis, Don Chase, Kevin Singletary, Chip Freeman, Roy Horn, and Tony Rajski to the active roster. The Cleveland Ironmen have moved Bob Svihus, Royce Smith, Mac Speedie, Kirk Barton, Roosevelt Brown, Bennie Ball, Roger LeClerc, Richie Allen, Cincinnatus Powell, Smokin' Joe Frazier, and Jake Striker to the inactive roster. |
| 01-31-2050 | The Cleveland Ironmen have acquired Mack Calvin 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. |
| 01-31-2050 | The Cleveland Ironmen have waived Mack Calvin. |
| 01-31-2050 | The Cleveland Ironmen have acquired Mack Calvin from the waiver wire. |
| 09-12-2049 | The Cleveland Ironmen have automatically waived Mack Calvin to comply with the 53-man roster limit. |
| 09-06-2049 | The Cleveland Ironmen have moved Tom Cousineau, Night Train Lane, John Callison, Bubba Smith, Mac Speedie, Bruce Ruhl, Ken Times, Kirk Barton, Roosevelt Brown, Joe Namath, Hopalong Cassady, Cincinnatus Powell, and Jubilee Clark to the active roster. The Cleveland Ironmen have moved Andy Boiardi, Buck Henry, Don Horn, Shake Robinson, Marlin McKeever, Adolphus Trafficante, Larry Ball, Flip Wilson, Salvo Boiardi, Rick Dick, Mack Calvin, Boot Scootin' Booty, and Ray Wagner to the inactive roster. |
| 09-02-2047 | The Cleveland Ironmen have moved Mack Calvin, Tim Truesdell, Hopalong Cassady, and Cincinnatus Powell to the active roster. The Cleveland Ironmen have moved Rocky Coker, Don Horn, Jim Ritcher, and Fels Naptha to the inactive roster. |
| 08-05-2047 | The Cleveland Ironmen have moved Tony Rajski, Tom Rairden, Earl Paisley, Sedric Williams, Larry Pringle, Jim Finks, Ken Iman, Fred Slutzker, Jim Ritcher, Don Horn, Frank Stevens, Jim Schupbach, Darrell Roundtree, and Martin White to the active roster. The Cleveland Ironmen have moved Tony Rudi, Ed Breedlove, Kirk Barton, Roosevelt Brown, Jeff Van Note, Ron Ward, Tim Truesdell, Eddie Rickenbacker, Big Bob Lancaster, Mack Calvin, Hopalong Cassady, Cincinnatus Powell, Smokin' Joe Frazier, and Andy Devine to the inactive roster. |
| 08-20-2046 | The Cleveland Ironmen have moved Eddie Rickenbacker and Mack Calvin to the active roster. The Cleveland Ironmen have moved Fels Naptha and Nels Potter to the inactive roster. |
| 08-06-2046 | The Cleveland Ironmen have moved Nels Potter, Mickey Hogan, Donny Most, Jim Ritcher, Paul Burch, Ryan Buckman, Patrick Morrison, and Wayne Sands to the active roster. The Cleveland Ironmen have moved Jack Breedlove, Roosevelt Brown, Doug France, Jeff Van Note, Richie St. Louis, Mack Calvin, Cincinnatus Powell, and Smokin' Joe Frazier to the inactive roster. |
| 08-21-2045 | The Cleveland Ironmen have moved Rich Jackson, Tony Rajski, Elmo Miller, Doug France, Marlin McKeever, Dan Gable, Ike Lassiter, Mack Calvin, Hopalong Cassady, and Smokin' Joe Frazier to the active roster. The Cleveland Ironmen have moved Clarence Washington, Vince Promuto, Bobby Heeter, Fred Biletnikoff, Fred Quimby, Blue Barry, Reg Fleming, Archie Bell, Ed Case, Stan Lasky, and Melvin Blunt to the inactive roster. |
| 08-07-2045 | The Cleveland Ironmen have moved Tom Martin and Melvin Blunt to the active roster. The Cleveland Ironmen have moved Elmo Miller and Mack Calvin to the inactive roster. |
| 10-23-2044 | Mack Calvin of the Cleveland Ironmen is injured with a mild concussion and is expected to be out for approximately 4 days. |
| 09-05-2044 | The Cleveland Ironmen have moved Rocky Coker, Doug France, Richie St. Louis, Mack Calvin, Cincinnatus Powell, and Smokin' Joe Frazier to the active roster. The Cleveland Ironmen have moved Bruce Ilkin, Fred Biletnikoff, Mike Peacock, Kelvin Elam, Dick Cheek, and Ed McCulloch to the inactive roster. |
| 08-08-2044 | The Cleveland Ironmen have moved Pierre LaCroix, Dave Wilson, Buford Pusser, Jon Duncan, Roy Wingo, Mike Peacock, Tex Wissinger, and Melvin Blunt to the active roster. The Cleveland Ironmen have moved George Hoey, Rocky Coker, Doug France, Ron Ward, Richie St. Louis, Mack Calvin, Hopalong Cassady, and Cincinnatus Powell to the inactive roster. |
| 08-31-2043 | The Cleveland Ironmen have moved Mack Calvin to the active roster. The Cleveland Ironmen have moved Rob Belair to the inactive roster. |
| 08-10-2043 | The Cleveland Ironmen have moved Kelvin Elam, Sam Brunelli, Roy Wingo, Bob Long, Moon Mullins, Dick Cheek, Jerome Mitchell, Pettis Ross, Jesse Turner, Clem Daniels, Vince Promuto, Montae Reagor, Tony Rajski, Rob Breedlove, Larry Fitzkee, Eddie Mehalick, Bruce Ilkin, and Damon Lane to the active roster. The Cleveland Ironmen have moved Mack Calvin, John Husband, Hopalong Cassady, Tony Joe Boddie, Cincinnatus Powell, Smokin' Joe Frazier, Ron Ward, Big Bob Lancaster, Franklin D. Coslet, Richie St. Louis, Joe Carollo, Andy Devine, Doug France, Fletcher Mayberry, Jeff Van Note, Mike Eischeid, Monte Stickles, and Rocky Coker to the inactive roster. |
| 08-18-2042 | The Cleveland Ironmen have moved Larry Fitzkee, Mack Calvin, and Hopalong Cassady to the active roster. The Cleveland Ironmen have moved Mike Eischeid and Franklin D. Coslet to the inactive roster. |
| 08-04-2042 | The Cleveland Ironmen have moved Clem Daniels, Nay Kid, Vince Promuto, Lobb Stir, Billy Ringsby, Bob Long, Fred Biletnikoff, Adolph Lane, Hines Johnson, Lenny Bruce, and Andy Devine to the active roster. The Cleveland Ironmen have moved Monte Stickles, Rocky Coker, Tony Joe Boddie, Joe Carollo, Ron Ward, Dick Cheek, Big Bob Lancaster, Joe Bellino, Mack Calvin, Hopalong Cassady, and Cincinnatus Powell to the inactive roster. |
| 09-29-2041 | The Cleveland Ironmen have changed Donnie Ellison's name to Mack Calvin. |
| 08-05-2041 | The Cleveland Ironmen have moved Elroy Dornbrook, Eddie Mehelich, Steve Keith, Vince Promuto, Bernie Sterenchock, Ron Brinker, Steve James, Larry Villapiano, Ben Gorski, Lyle Waggoner, Booker Shelby, Don Tarr, Rory Calhoun, Kelvin Elam, Mike Murski, Tony Rajski, Jack Pardee, Donnie Ellison, Jim McGovern, Connie Schwingle, William Mahoney, John Henry Johnson, Rick O'Neill, Gerry Baldwin, Ralph MacDonnell, Herbie Bigelow, Andy Devine, and Barney Samples to the active roster. The Cleveland Ironmen have moved George Hoey, Monte Stickles, Rocky Coker, Tony Joe Boddie, Archie Strunk, Boot Scootin' Booty, Rex Bentley, Beetle Bailey, Rob Belair, Moon Mullins, Willie Davis, Joe Carollo, Doug France, Fred Biletnikoff, Marlin McKeever, Mike Eischeid, Larry Ball, Ron Ward, Ken Times, Nemiah Wilson, Yale Lary, Dick Cheek, John Husband, Big Bob Lancaster, Joe Bellino, Franklin D. Coslet, Royce Ford, Richie St. Louis, Bruce Ruhl, and Bruce McLaren to the inactive roster. |
Wide Receiver