| Date | Transaction |
| 02-28-1988 | Art Leasy has retired from football. |
| 08-18-1986 | The San Diego Pirates have waived Art Leasy. |
| 12-09-1985 | The San Diego Pirates have moved Art Leasy to the active roster. The San Diego Pirates have moved Marcus Johnson to the inactive roster. |
| 11-25-1985 | The San Diego Pirates have moved John Norris to the active roster. The San Diego Pirates have moved Art Leasy to the inactive roster. |
| 09-16-1985 | The San Diego Pirates have moved Art Leasy and Pat Cofer to the active roster. The San Diego Pirates have moved Art Baldwin and Whip Brito to the inactive roster. |
| 09-09-1985 | The San Diego Pirates have moved Art Baldwin to the active roster. The San Diego Pirates have moved Ronnie West and Art Leasy to the inactive roster. |
| 01-01-1984 | The San Diego Pirates have moved Walt Morrison, Art Leasy, and Pat Cofer to the active roster. The San Diego Pirates have moved Troy Thornhill, Joe Cook, and Ken Gamm to the inactive roster. |
| 12-19-1983 | The San Diego Pirates have moved Ken Gamm to the active roster. The San Diego Pirates have moved Roger Beamer and Art Leasy to the inactive roster. |
| 10-31-1983 | The San Diego Pirates have moved Art Leasy to the active roster. The San Diego Pirates have moved Ken Gamm to the inactive roster. |
| 10-10-1983 | The San Diego Pirates have moved Ken Gamm to the active roster. The San Diego Pirates have moved Art Leasy to the inactive roster. |
| 09-05-1983 | The San Diego Pirates have moved Art Leasy to the active roster. |
| 09-05-1983 | The San Diego Pirates have acquired Art Leasy from the waiver wire. |
| 08-29-1983 | The Miami Plague have waived Art Leasy. |
| 05-01-1983 | The Miami Plague have moved Art Leasy to the active roster. |
| 08-30-1982 | Trade #71017 has been completed between the Boston Minutemen and the Miami Plague. The Miami Plague receive Dean Suffridge (LB), Art Leasy (CB) from the Boston Minutemen in exchange for Draft Pick - 1983 Round 4 (MIA), Draft Pick - 1985 Round 4 (MIA). |
| 08-30-1982 | The Boston Minutemen have placed Art Leasy on the trade block. |
| 08-09-1982 | The Boston Minutemen have moved Ken MacLeod, Orland Ribble, Gary Bowden, Jack Ciccolella, J.B. Souchak, and Rupert Sandberg to the active roster. The Boston Minutemen have moved Joe Cook, Art Leasy, Bill Beverly, Jim Freeney, Marc Simmons, and Ray Rivers to the inactive roster. |
| 08-24-1981 | The Boston Minutemen have moved Art Leasy and Dean Suffridge to the active roster. The Boston Minutemen have moved Breck Fada and George Graham 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). |
| 05-03-1981 | The San Diego Pirates have moved Art Leasy and Pat Cofer to the active roster. The San Diego Pirates have moved John Norris, Mark Lexan, Marcus Johnson, and Whip Brito to the inactive roster. |
| 12-22-1980 | The San Diego Pirates have moved George Lankford, Mark Lexan, Marcus Johnson, and Clyde Landrigan to the active roster. The San Diego Pirates have moved Art Leasy, Pat Cofer, Dan Bosley, and Lloyd Farmer to the inactive roster. |
| 12-15-1980 | The San Diego Pirates have moved Paul Watkins, Art Leasy, and Reggie Kolan to the active roster. The San Diego Pirates have moved Marcus Johnson, Clyde Landrigan, and Steve Randolph to the inactive roster. |
| 11-24-1980 | The San Diego Pirates have moved Marv Baken, Ken Brannen, David Stock, and Marcus Johnson to the active roster. The San Diego Pirates have moved Art Leasy, Brad Orlando, Wes Smith, and Whip Brito to the inactive roster. |
| 11-17-1980 | The San Diego Pirates have moved Mark Lexan and Art Leasy to the active roster. The San Diego Pirates have moved Marcus Johnson and Ken Brannen to the inactive roster. |
| 10-06-1980 | The San Diego Pirates have moved Wes Smith, Marv Jones, and Bob Cook to the active roster. The San Diego Pirates have moved Art Leasy, Mike Smith, and Kris Chamblin to the inactive roster. |
| 09-29-1980 | The San Diego Pirates have moved Art Leasy, Mike Vichen, and Reggie Kolan to the active roster. The San Diego Pirates have moved Pat Cofer, Marv Jones, and George Lankford to the inactive roster. |
| 08-31-1980 | The San Diego Pirates have moved Ken Brannen, John Norris, Marv Jones, Marcus Johnson, and Whip Brito to the active roster. The San Diego Pirates have moved Art Leasy, Bill Cornell, and Mark Lexan to the inactive roster. |
| 04-27-1980 | The San Diego Pirates have acquired Art Leasy from the waiver wire. |
| 12-17-1979 | The Boston Minutemen have moved Jeff Jameson to the inactive roster. |
| 12-17-1979 | The Boston Minutemen have waived Art Leasy. |
| 08-14-1978 | The Boston Minutemen have acquired Art Leasy from the waiver wire. |
| 08-07-1978 | The New England Red Soxx have waived Art Leasy. |
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