| Date | Transaction |
| 02-28-1976 | Bill Robinson has retired from football. |
| 12-16-1973 | The Cleveland Ironmen have waived Bill Robinson. |
| 12-16-1973 | The Cleveland Ironmen have acquired Bill Robinson from the waiver wire. |
| 09-03-1973 | The Cleveland Ironmen have waived Bill Robinson. |
| 09-03-1973 | The Cleveland Ironmen have moved Rufus Bigbee, Joe Stillwagon, Dick Nitschke, Carleton Rule, Rob Moroso, Royce Bentley, Lionel Austin, Jack Kroger, Clark Kellogg, and Duke Colavito to the active roster. The Cleveland Ironmen have moved Joe Niehaus, Luther Robinson, Bill Robinson, Champ Cassidy, Essex Taylor, Wally Arbuckle, Ezra Lassister, Bob Adderley, Clyde McAfee, and Zack Sherriff to the inactive roster. |
| 08-06-1973 | The Cleveland Ironmen have moved Brad Dicus, Luther Robinson, Bill Robinson, Mitch Sunde, Rick Clavelle, Roscoe Boone, Champ Cassidy, Elijah Dix, Jim Vaughn, Ray Neill, Essex Taylor, John Hunt, Wally Arbuckle, Joshua McClain, Bob Adderley, Mike Parker, Clyde McAfee, Mike Sullivan, Dave Basrak, Emmett Conwell, Marvin Rogge, Johnnie Johnson, Ben Oben, Ted Didio, Michael Nixon, Lane Taylor, Zack Sherriff, and Don Lancaster to the active roster. The Cleveland Ironmen have moved Rufus Bigbee, Buzz Diamond, Bobby Joe Coffey, Frank Borden, Roosevelt Berry, Troy Tempest, Joe Stillwagon, Tony Ventura, Dick Nitschke, Landon Crow, Rick Colzie, Rudy Mucheck, Carleton Rule, Winston Gillette, Lionel Van Dyke, Brad Dowler, Wimpy Ringo, Rob Moroso, Royce Bentley, Lionel Austin, Zeke Jeter, Robert Ford, Bruiser Broadnax, Kent Exline, Bob Collie, Jack Kroger, Rufus Coffey, Clark Kellogg, and Duke Colavito to the inactive roster. |
| 01-08-1973 | The Cleveland Ironmen have acquired Bill Robinson from the waiver wire. |
| 10-09-1972 | The Green Bay Brawlers have waived Bill Robinson. |
| 10-09-1972 | The Green Bay Brawlers have moved Duane Glennie to the active roster. The Green Bay Brawlers have moved Bill Robinson to the inactive roster. |
| 09-06-1971 | The Green Bay Brawlers have acquired Bill Robinson from the waiver wire. |
| 11-15-1970 | The Cleveland Ironmen have waived Bill Robinson. |
| 11-15-1970 | The Cleveland Ironmen have acquired Bill Robinson from the waiver wire. |
| 08-24-1970 | The Cleveland Ironmen have waived Bill Robinson. |
| 08-10-1970 | The Cleveland Ironmen have moved Zack Sherriff, Ted Tracy, Rufus Shell, Charlie Tafoya, Barney Renfro, Rex Starr, John Stenn, Roscoe Boone, Al Fair, Bob Kowalkowski, David Allen, Chris Boone, Bob Johnson, Arnie Truax, Al Costa, Brad Fair, Casey Hall, Kevin Mayo, Eric Loven, Bill Robinson, Lee Roy Bridges, Xavier Clark, Flea Roberts, and Goldie Teague to the active roster. The Cleveland Ironmen have moved Rocky Butkus, Duke Colavito, Frank Borden, Roosevelt Berry, Roger Unitas, Rudy Mucheck, Bruce Cherry, Jack Kramer, Wimpy Ringo, Deacon Robinson, Ezra Lassister, Royce Bentley, Dale Casper, Jack Kroger, Diron Roberts, Rufus Coffey, Clark Kellogg, Buzz Diamond, Bobby Joe Coffey, Chuck Rhino, Carleton Rule, Lionel Austin, Bob Adderley, and Robert Ford to the inactive roster. |
| 05-03-1970 | The Cleveland Ironmen have moved Joe Stillwagon, Clark Kellogg, Wimpy Ringo, Lionel Van Dyke, Brock Singer, Duke Colavito, Roosevelt Berry, Roger Unitas, Kent Exline, Bruce Cherry, Deacon Robinson, Night Train Tatum, Jack Kroger, Diron Roberts, Ezra Lassister, Royce Bentley, Robert Ford, Frank Borden, and Rocky Butkus to the active roster. The Cleveland Ironmen have moved Chris Boone, Charlie Tafoya, Brad Fair, Flea Roberts, Bob Kowalkowski, Ted Tracy, Rex Starr, Eric Loven, John Stenn, Casey Hall, Kevin Mayo, Barney Renfro, Bill Robinson, Roscoe Boone, Wally Arbuckle, Arnie Truax, Al Fair, Rufus Shell, and Bob Johnson to the inactive roster. |
| 05-03-1970 | The Cleveland Ironmen have moved Bill Robinson and Casey Hall to the active roster. The Cleveland Ironmen have moved Joe Stillwagon and Jack Kroger to the inactive roster. |
| 05-03-1970 | The Cleveland Ironmen have acquired Bill Robinson from the waiver wire. |
| 11-11-1968 | The Cleveland Ironmen have waived Bill Robinson. |
| 11-11-1968 | The Cleveland Ironmen have acquired Bill Robinson from the waiver wire. |
| 08-27-1967 | The Birmingham River Rats have waived Bill Robinson. |
| 08-14-1966 | The Birmingham River Rats have moved Bill Robinson to the active roster. |
| 08-14-1966 | Trade #63622 has been completed between the Birmingham River Rats and the Michigan Spartans. The Michigan Spartans receive Willie Larden (LB) from the Birmingham River Rats in exchange for Bill Robinson (DT). |
| 08-08-1966 | The Michigan Spartans have placed Bill Robinson on the trade block. |
Defensive Tackle