| Date | Transaction |
| 02-28-1993 | Brad Merlo has retired from football. |
| 10-06-1991 | The New England Red Soxx have waived Brad Merlo. |
| 08-11-1991 | The New England Red Soxx have moved Brad Merlo to the active roster. The New England Red Soxx have moved Bill Kozlowski to the inactive roster. |
| 08-11-1991 | The New England Red Soxx have acquired Brad Merlo from the waiver wire. |
| 12-17-1990 | The Cleveland Ironmen have waived Brad Merlo. |
| 12-17-1990 | The Cleveland Ironmen have acquired Brad Merlo from the waiver wire. |
| 08-06-1990 | The Toronto Wolves have waived Brad Merlo. |
| 09-12-1988 | The Toronto Wolves have moved Brad Merlo to the active roster. |
| 09-05-1988 | The Toronto Wolves have moved Rick Hughes, Dwight Harbour, J.B. Souchak, and Eddie Yary to the active roster. The Toronto Wolves have moved Elmo Merriman, Frank Johnson, and Brad Merlo to the inactive roster. |
| 08-22-1988 | The Toronto Wolves have moved Brad Merlo to the active roster. The Toronto Wolves have moved J.B. Souchak to the inactive roster. |
| 08-08-1988 | The Toronto Wolves have moved Steve Uzdavinis, Bob Abramson, John Janiak, Ozzie Nery, Frank Johnson, and Martin Evans to the active roster. The Toronto Wolves have moved Zeph Chicken, Eddie Yary, Scott Neumann, Gordon Maley, and Brad Merlo to the inactive roster. |
| 08-08-1988 | The Toronto Wolves have placed Brad Merlo on the trade block. |
| 09-09-1985 | The Toronto Wolves have moved Brad Merlo to the active roster. The Toronto Wolves have moved Felix Mack to the inactive roster. |
| 09-09-1985 | The Toronto Wolves have acquired Brad Merlo from the waiver wire. |
| 09-02-1985 | The Brooklyn Singularities have waived Brad Merlo. |
| 09-10-1984 | The Brooklyn Singularities have acquired Brad Merlo from the waiver wire. |
| 08-20-1984 | The Montreal Mastodon have waived Brad Merlo. |
| 04-29-1984 | The Montreal Mastodon have moved Brad Merlo to the active roster. |
| 01-01-1984 | The Montreal Mastodon have acquired Brad Merlo from the waiver wire. |
| 12-04-1983 | The Cleveland Ironmen have automatically waived Brad Merlo to comply with the 53-man roster limit. |
| 11-28-1983 | The Cleveland Ironmen have acquired Brad Merlo 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. |
| 11-28-1983 | The Cleveland Ironmen have waived Brad Merlo. |
| 11-28-1983 | The Cleveland Ironmen have moved Rex Kern to the active roster. The Cleveland Ironmen have moved Brad Merlo to the inactive roster. |
| 11-13-1983 | The Cleveland Ironmen have acquired Brad Merlo from the waiver wire. |
| 09-12-1983 | The Cleveland Ironmen have waived Brad Merlo. |
| 09-12-1983 | The Cleveland Ironmen have acquired Brad Merlo from the waiver wire. |
| 08-22-1983 | The Boston Minutemen have waived Brad Merlo. |
| 08-08-1983 | The Boston Minutemen have placed Brad Merlo on the trade block. |
| 08-08-1983 | The Boston Minutemen have moved Felix Mack to the active roster. The Boston Minutemen have moved Brad Merlo to the inactive roster. |
| 08-30-1981 | The Boston Minutemen have moved Brad Merlo to the active roster. The Boston Minutemen have moved Ian Riley to the inactive roster. |
| 08-23-1981 | Trade #70525 has been completed between the Boston Minutemen and the San Diego Pirates. The San Diego Pirates receive Harry Brown (QB) from the Boston Minutemen in exchange for Brad Merlo (QB), Art Leasy (CB), Draft Pick - 1982 Round 4 (SD), Draft Pick - 1983 Round 2 (SD). |
| 12-22-1980 | The San Diego Pirates have moved Brad Merlo to the active roster. The San Diego Pirates have moved Scottie Anderson to the inactive roster. |
| 09-08-1980 | The San Diego Pirates have acquired Brad Merlo from the waiver wire. |
| 09-07-1980 | The San Diego Pirates have automatically waived Brad Merlo to comply with the 53-man roster limit. |
| 08-31-1980 | The San Diego Pirates have moved Bill Martan, Marv Baken, Dan Ferguson, Brandon Brodnax, David Stock, Mickey Quinn, Jon Chrebet, Marc Harris, and Bob Cook to the active roster. The San Diego Pirates have moved Mike Smith, Brad Orlando, and Brad Merlo to the inactive roster. |
| 08-25-1980 | The San Diego Pirates have changed George Merlo's name to Brad Merlo. |
| 08-25-1980 | The San Diego Pirates have acquired George Merlo from the waiver wire. |
Quarterback