| Date | Transaction |
| 02-28-2053 | Bob Clark has retired from football. |
| 10-20-2052 | The Detroit Cobras have waived Bob Clark. |
| 08-11-2052 | The Detroit Cobras have moved Charlie Dillon to the active roster. The Detroit Cobras have moved Bob Clark to the inactive roster. |
| 10-01-2051 | The Detroit Cobras have moved Bob Clark to the active roster. |
| 10-01-2051 | The Detroit Cobras have acquired Bob Clark from the waiver wire. |
| 09-04-2051 | The Indianapolis Ponies have moved Fred DiBernardo to the active roster. |
| 09-04-2051 | The Indianapolis Ponies have waived Bob Clark. |
| 08-13-2051 | The Indianapolis Ponies have placed Bob Clark on the trade block. |
| 02-05-2051 | The Indianapolis Ponies have moved Matt Miller, William Williams, Herb Hennigan, Primo Nowak, Julius McDonald, Art Seiple, and T.J. Roberts to the active roster. The Indianapolis Ponies have moved John Wilcox, Mike Tomczak, Rex Harbour, Jeff Davis, Rod Watters, Bob Clark, Gary Zawadzkas, Fred DiBernardo, Wonder Sullivan, Ken Thomas, Jim Brown, and George Graham to the inactive roster. |
| 09-04-2050 | The Indianapolis Ponies have moved Mike Irvin, John Wilcox, Mike Tomczak, Darin Clayton, Rod Watters, Bob Clark, and Fred DiBernardo to the active roster. The Indianapolis Ponies have moved Howard Harlan and Mike Schubert to the inactive roster. |
| 01-23-2050 | The Indianapolis Ponies have moved Howard Harlan, Roy Golemgeske, Devone Wiegmann, Matt Miller, Jerone Coleman, Randy Wright, Mike Schubert, and Don Harris to the active roster. The Indianapolis Ponies have moved Jeff Davis, Rod Watters, Randy Wissinger, Bob Clark, Gary Zawadzkas, Fred DiBernardo, Wonder Sullivan, and George Graham to the inactive roster. |
| 11-08-2049 | The Indianapolis Ponies have moved Darin Clayton, Randy Wissinger, and Bob Clark to the active roster. The Indianapolis Ponies have moved Jerone Coleman, Matt Miller, and Mike Schubert to the inactive roster. |
| 11-07-2049 | The Indianapolis Ponies have moved Matt Miller, Jerone Coleman, Pete Rich, and Mike Schubert to the active roster. The Indianapolis Ponies have moved Randy Wissinger, Don Harris, Darin Clayton, and Bob Clark to the inactive roster. |
| 09-05-2049 | The Indianapolis Ponies have moved Jeff Davis, Travis Edwards, Randy Wissinger, Bob Clark, Gary Zawadzkas, Fred DiBernardo, Bill Trebotich, Wonder Sullivan, Tom Smith, Jim Brown, George Graham, and Verne Newman to the active roster. The Indianapolis Ponies have moved Buddy Preston, Roy Golemgeske, Pete Rich, Devone Wiegmann, Leonta Dayne, Harry Frazier, Primo Nowak, Brian Mitchell, Julius McDonald, Frank Clabo, Len Gurley, and Mike Schubert to the inactive roster. |
| 08-09-2049 | The Indianapolis Ponies have moved Pete Rich, Clifton Seau, Primo Nowak, Julius McDonald, Billy Nacrelli, and Gerald Sullivan to the active roster. The Indianapolis Ponies have moved Darin Clayton, Bob Clark, Bob Leeuwenburg, Randy Wright, and George Graham to the inactive roster. |
| 12-27-2048 | The Indianapolis Ponies have moved Buddy Preston, Randy Wissinger, Bob Clark, and Chuck Kochman to the active roster. The Indianapolis Ponies have moved Waverly Mott, Frank Clabo, Len Gurley, and Mike Schubert to the inactive roster. |
| 10-25-2048 | The Indianapolis Ponies have moved Matt Miller and George Shiver to the active roster. The Indianapolis Ponies have moved Randy Wissinger and Bob Clark to the inactive roster. |
| 09-07-2048 | The Indianapolis Ponies have moved Buddy Preston, Leonta Dayne, Bob Clark, Wonder Sullivan, and George Graham to the active roster. The Indianapolis Ponies have moved Henry Delaney, Brian Mitchell, Waverly Mott, Len Gurley, and Mike Schubert to the inactive roster. |
| 12-30-2047 | The New York Gentle Giants have moved Ed Schulz, Arthur Gillies, Leonta Dayne, Lonnie Thomas, Derland Farmer, Mike Schubert, and Max Walker to the active roster. The New York Gentle Giants have moved Buddy Preston, Darryl Meeker, Frank Fontaine, Bob Clark, Brad Gayle, Henry Delaney, Bill Marve, Jim Layman, Chuck Kochman, Dave Ursella, and Hal Long to the inactive roster. |
| 01-06-2047 | Bob Clark of the New York Gentle Giants is injured with an ankle ligament sprain and is expected to be out for approximately 30 days. |
| 12-03-2045 | Bob Clark of the New York Gentle Giants is injured with a quadricep contusion and is expected to be out for approximately 12 days. |
| 10-01-2045 | Bob Clark of the New York Gentle Giants is injured with a hip contusion and is expected to be out for approximately 11 days. |
| 09-11-2044 | Bob Clark of the New York Gentle Giants is injured with an ankle ligament sprain and is expected to be out for approximately 20 days. |
| 10-12-2042 | Bob Clark of the New York Gentle Giants is injured with a hip contusion and is expected to be out for approximately 9 days. |
| 08-09-2038 | The New York Gentle Giants have moved Bob Clark and Darryl Meeker to the active roster. The New York Gentle Giants have moved Flat Stanley Marchi to the inactive roster. |
Tackle