Numbers in this table represent the number of minutes played at each position. ST represents special teams positions other than K or P.
| Date | Transaction |
| 02-28-2056 | Barry Halpern has retired from football. |
| 09-05-2055 | The Nashville Sharks have waived Barry Halpern. |
| 09-04-2050 | Barry Halpern of the Nashville Sharks is injured with a mild concussion and is expected to be out for approximately 9 days. |
| 08-30-2049 | The Nashville Sharks have moved Barry Halpern to the active roster. The Nashville Sharks have moved Mitoe Kondria to the inactive roster. |
| 08-30-2049 | The Nashville Sharks have acquired Barry Halpern from the waiver wire. |
| 08-23-2049 | The Cleveland Ironmen have waived Barry Halpern. |
| 08-23-2049 | The Cleveland Ironmen have moved Eddie Rickenbacker, Ron Berger, Vitamin Smith, Jeff Van Note, Marlin McKeever, George Hoey, Bennie Ball, Night Train Lane, Ike Lassiter, Tony Solaita, Royce Smith, Cookie Rojas, and Smokin' Joe Frazier to the active roster. The Cleveland Ironmen have moved George Mason, Barry Halpern, Jim Ritcher, Grant Tinker, Oscar Reed, Mortimer Nash, Rip Torn, Boot Scootin' Booty, Jim Fahnhorst, Chuck Magnuson, Tunch Ilkin, Fels Naptha, and Arn Anderson to the inactive roster. |
| 08-09-2049 | The Cleveland Ironmen have moved Greg Shinners and Barry Halpern to the active roster. The Cleveland Ironmen have moved Ron Berger and Chuck Magnuson to the inactive roster. |
| 01-31-2049 | The Cleveland Ironmen have acquired Barry Halpern 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. |
| 01-31-2049 | The Cleveland Ironmen have waived Barry Halpern. |
| 01-31-2049 | The Cleveland Ironmen have acquired Barry Halpern from the waiver wire. |
| 08-30-2048 | The Cleveland Ironmen have automatically waived Barry Halpern to comply with the 65-man roster limit. |
| 08-24-2048 | The Cleveland Ironmen have moved Myron Pottios, Larry Ball, and Rex Bentley to the active roster. The Cleveland Ironmen have moved Barry Halpern, Laverne Munson, and Arn Anderson to the inactive roster. |
| 08-10-2048 | The Cleveland Ironmen have moved Adolphus Trafficante, Steve Federovich, Tony Rajski, Barry Halpern, Wally Bunker, Tunch Ilkin, Don Fink, Fels Naptha, Earl Paisley, Keith Keller, Art Alexander, Don Dick, Boot Scootin' Booty, Willie Lester, Jim Finks, Pete Meilinger, Scott Bacon, Ken Iman, Donny Most, Flipper Wilson, Nemiah Wilson, Jim Ritcher, Don Horn, Grant Tinker, Dan Conners, Andy Boiardi, Mel Pepper, Rip Torn, Bob Svihus, and Andy Devine to the active roster. The Cleveland Ironmen have moved George Hoey, Rick Law, Tony Rudi, Ed Breedlove, Kirk Barton, Roosevelt Brown, Tom Dempsey, Speedy Dunlap, Elv Pilgrim, Jubilee Clark, Tom Cousineau, Jeff Van Note, Larry Ball, Ron Ward, Ken Times, Joe Namath, Eddie Rickenbacker, Big Bob Lancaster, Jerry Blavat, Duke Kahanamoku, Royce Ford, Richie St. Louis, Bruce Ruhl, Mac Speedie, Cookie Rojas, Hopalong Cassady, Cincinnatus Powell, Night Train Lane, Smokin' Joe Frazier, and Royce Smith to the inactive roster. |
| 01-27-2048 | The Cleveland Ironmen have acquired Barry Halpern 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. |
| 01-27-2048 | The Cleveland Ironmen have waived Barry Halpern. |
| 01-27-2048 | The Cleveland Ironmen have acquired Barry Halpern from the waiver wire. |
| 08-19-2047 | The Cleveland Ironmen have waived Barry Halpern. |
| 08-19-2047 | The Cleveland Ironmen have moved Eddie Rickenbacker, Rich Jackson, George Mason, Larry Ball, Grant Tinker, Ron Ward, Duke Kahanamoku, Rory Calhoun, and Tom Dempsey to the active roster. The Cleveland Ironmen have moved Earl Paisley, Stanley Blashko, Tom Rairden, Don Fink, Barry Halpern, Barnabas Hull, Ken Iman, Butch Leigh, Dennis Onkotz, and Arn Anderson to the inactive roster. |
| 08-05-2047 | The Cleveland Ironmen have moved Butch Leigh, Patrick Elliott, Tex Ritter, Barry Halpern, Arn Anderson, Stanley Blashko, Dennis Onkotz, Don Fink, Stevie Ray Vaughan, and Clancy McCracken to the active roster. The Cleveland Ironmen have moved Tom Cousineau, Bob Mowatt, Duke Kahanamoku, George Hoey, Royce Ford, Bruce Ruhl, Ken Times, Bill Parrish, Tom Dempsey, and Jubilee Clark to the inactive roster. |
| 04-28-2047 | The Cleveland Ironmen have changed Len Stith's name to Barry Halpern. |
| 04-28-2047 | The Cleveland Ironmen have acquired Len Stith from the waiver wire. |
| 09-09-2046 | The Chicago Dawgs have automatically waived Len Stith to comply with the 53-man roster limit. |
Linebacker