| Date | Transaction |
| 02-28-1988 | Bob Brennan has retired from the Miami Monsoon. |
| 09-06-1987 | The Miami Monsoon have moved Dynamite Earls to the active roster. The Miami Monsoon have moved Bob Brennan to the inactive roster. |
| 09-07-1986 | The Miami Monsoon have moved Bob Brennan to the active roster. The Miami Monsoon have moved Damien Mungro to the inactive roster. |
| 09-07-1986 | The Miami Monsoon have acquired Bob Brennan from the waiver wire. |
| 09-15-1985 | The Orlando Flippers have automatically waived Bob Brennan to comply with the 53-man roster limit. |
| 09-09-1985 | The Orlando Flippers have acquired Bob Brennan from the waiver wire. |
| 09-01-1985 | The New England Soviets have waived Bob Brennan. |
| 09-01-1985 | The New England Soviets have moved Elmo Juenger, Ray Ilowit, Carl Glassgow, Jerry Klosterman, Vinnie Caterbone, and John Allen to the active roster. The New England Soviets have moved Bob Brennan and Nate Taylor to the inactive roster. |
| 08-19-1985 | The New England Soviets have moved Nate Taylor and Bob Brennan to the active roster. The New England Soviets have moved John Allen and Elmo Juenger to the inactive roster. |
| 08-12-1985 | The New England Soviets have placed Bob Brennan on the trade block. |
| 08-05-1985 | The New England Soviets have moved Jeff Aldridge, Billy Simensen, Emmett Roffler, Hank Thiele, and Rick Mitchell to the active roster. The New England Soviets have moved David Mattiace, Waddy Crosby, Bob Brennan, and Marv Arnold to the inactive roster. |
| 09-10-1984 | The New England Soviets have moved Bob Brennan to the active roster. The New England Soviets have moved Nate Taylor to the inactive roster. |
| 09-10-1984 | The New England Soviets have acquired Bob Brennan from the waiver wire. |
| 09-09-1984 | The Rochester 45s have automatically waived Bob Brennan to comply with the 53-man roster limit. |
| 09-09-1984 | The Rochester 45s have automatically moved Bob Brennan to the inactive roster. |
| 08-04-1980 | The Green Bay Tundra have moved Henry Watson, Ricky Riesenberg, Hal Allerman, Paul Davis, Bob Brennan, Darin Rowe, Karl Bear, Willie Green, Don Dale, Bob Watts, Zeph Vollenweider, and Craig Walsh to the active roster. The Green Bay Tundra have moved Carvell McCareins, Sherwood Barnhardt, Richard Chapman, Brian Sweiger, Derek DeSantis, Jeff Duggins, Johnny Bownes, Dewey Biolo, Tom Gallegos, Ralph Klecko, Billy Jorden, Mike Robinson, Brown Johnson, Jim Harris, and Eddie Jones to the inactive roster. |
| 08-27-1979 | The Green Bay Tundra have moved Jeff Duggins, Brian Sweiger, Jim Harris, Dewey Biolo, Carvell McCareins, Eddie Jones, Ebenezer Woodin, Bill Sharpe, and Sherwood Barnhardt to the active roster. The Green Bay Tundra have moved Bill Maples, Reggie Naioti, Willie Carter, Greg Falls, Leroy Ponds, Gary Williams, Ed Horton, Bob Brennan, and Paul Davis to the inactive roster. |
| 04-29-1979 | The Green Bay Tundra have moved Bill Maples, Charlie Bailey, Brian Mendenhall, Charlie Yaccino, Bob Steiner, Bill Naioti, Russ Kasparek, Gary Williams, Mike Thompson, Bob Brennan, Dwight Hill, Paul Davis, and George Agajanian to the active roster. The Green Bay Tundra have moved Joe Boone, Brian Sweiger, Derek DeSantis, Brown Johnson, Jim Harris, Dewey Biolo, John Casper, Cliff DuSossoit, Carvell McCareins, Eddie Jones, Ebenezer Woodin, Hugo Reyes, and Sherwood Barnhardt to the inactive roster. |
| 12-18-1978 | The Green Bay Tundra have moved Jeff Duggins to the active roster. The Green Bay Tundra have moved Bob Brennan to the inactive roster. |
| 11-20-1978 | The Green Bay Tundra have moved Bob Brennan to the active roster. The Green Bay Tundra have moved Ed Horton to the inactive roster. |
| 11-05-1978 | The Green Bay Tundra have moved Dick Ross to the active roster. The Green Bay Tundra have moved Bob Brennan to the inactive roster. |
| 11-05-1978 | The Green Bay Tundra have moved Dick Ross to the active roster. The Green Bay Tundra have moved Bob Brennan to the inactive roster. |
| 10-29-1978 | The Green Bay Tundra have moved Bob Brennan to the active roster. The Green Bay Tundra have moved Dick Ross to the inactive roster. |
| 10-02-1978 | The Green Bay Tundra have moved Dick Ross to the active roster. The Green Bay Tundra have moved Bob Brennan to the inactive roster. |
| 10-01-1978 | Bob Brennan of the Green Bay Tundra is injured with an ankle ligament sprain and is expected to be out for approximately 31 days. |
| 08-07-1978 | The Green Bay Tundra have moved Bill Maples, Kevin Ariri, Don White, Bob Steiner, Bo Sandefur, Steve Randle, Bob Brennan, Bill Kinney, and Bill Sharpe to the active roster. The Green Bay Tundra have moved Lonnie Sullivan, Todd McLinton, Brian Sweiger, Ralph Klecko, Jim Harris, John Casper, Dick Ross, Cliff DuSossoit, and Wally Murtha to the inactive roster. |
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