| Date | Transaction |
| 02-28-2047 | Art Harper has retired from football. |
| 09-06-2043 | The Los Angeles Marauders have moved Charles Smith to the active roster. |
| 09-06-2043 | The Los Angeles Marauders have waived Art Harper. |
| 09-06-2043 | The Los Angeles Marauders have moved Al Ploeger, Bob Kaufman, Tony Hartzog, Carlton Huff, Waverly Boggan, Mike Lindow, Herb Lewis, Norm Doss, Pete DeShane, and Tony Gary to the active roster. The Los Angeles Marauders have moved Shane Reeves, Brian Luscinski, Eldridge Karlis, Alex Griffin, Michael Beekley, Shaun Pope, Art Harper, Jon Auer, and Ron Wiegmann to the inactive roster. |
| 09-10-2040 | The Los Angeles Marauders have moved Del Huggins and Art Harper to the active roster. The Los Angeles Marauders have moved Melvin Smith and Fred Zaeske to the inactive roster. |
| 09-10-2040 | Trade #79663 has been completed between the Los Angeles Marauders and the British Columbia Brawlers. The British Columbia Brawlers receive Draft Pick - 2041 Round 7 (LAN) from the Los Angeles Marauders in exchange for Art Harper (LB). |
| 09-10-2040 | The British Columbia Brawlers have acquired Art Harper from the waiver wire. |
| 09-09-2040 | The Los Angeles Marauders have automatically waived Art Harper to comply with the 53-man roster limit. |
| 08-06-2040 | The Los Angeles Marauders have moved Jim Matthews, Fred Miller, Jerry Simmons, Shaun Pope, Rabbit Cottrell, Ron Noonan, Bill Lentz, Eber Comber, and Jack Levanitis to the active roster. The Los Angeles Marauders have moved Stanley Butts, Phil Miller, Tony Hartzog, Ted McCall, Dale Moan, Waverly Boggan, Art Harper, Mike Lindow, Herb Lewis, Rocky Greene, Josh Steele, Bryan Williams, Pete DeShane, and Tony Gary to the inactive roster. |
| 09-04-2039 | The Los Angeles Marauders have moved Stanley Butts, Al Ploeger, Waverly Boggan, Art Harper, Mike Lindow, and Pete DeShane to the active roster. The Los Angeles Marauders have moved Sig Broussard, Ricky Brown, Herman Lincoln, Craig Robinson, Ray Johnson, and Don Bulger to the inactive roster. |
| 08-08-2039 | The Los Angeles Marauders have moved Ray Johnson, Karl Key, Sam Young, Sig Broussard, Mike Gorgone, and Jack Levanitis to the active roster. The Los Angeles Marauders have moved Pete DeShane, Al Ploeger, Donald Black, Mike Lindow, Herb Lewis, Bill Robinson, Waverly Boggan, Stanley Butts, Dale Moan, and Art Harper to the inactive roster. |
| 08-22-2038 | The Los Angeles Marauders have moved Art Harper to the active roster. |
| 08-22-2038 | Trade #78810 has been completed between the Los Angeles Marauders and the Pittsburgh River Raiders. The Pittsburgh River Raiders receive Art Bynum (LB), Draft Pick - 2041 Round 4 (LAN) from the Los Angeles Marauders in exchange for Art Harper (LB). |
| 08-15-2038 | The Pittsburgh River Raiders have moved Fulton Hutchinson, Chris Cooper, Ed Colclough, Donald Brown, Ray Schlereth, Reggie Hall, Mark Turner, Ken Geathers, and Alvin Givens to the active roster. The Pittsburgh River Raiders have moved Tom Russas, Marion Spikes, Roger Davidson, Chad Hill, Jim Mackert, Eagle Profit, Bob Pugh, Ralph Gilroy, and Art Harper to the inactive roster. |
| 11-22-2037 | The Pittsburgh River Raiders have moved Art Harper to the active roster. The Pittsburgh River Raiders have moved James Ori to the inactive roster. |
| 11-22-2037 | The Pittsburgh River Raiders have moved Carmine Kimmel and Mark Schick to the active roster. The Pittsburgh River Raiders have moved Art Harper and Don Bulger to the inactive roster. |
| 11-08-2037 | The Pittsburgh River Raiders have moved Art Harper to the active roster. The Pittsburgh River Raiders have moved Mark Schick to the inactive roster. |
| 09-27-2037 | The Pittsburgh River Raiders have moved Herb Hayes to the active roster. The Pittsburgh River Raiders have moved Art Harper to the inactive roster. |
| 09-27-2037 | Art Harper of the Pittsburgh River Raiders is injured with an abdominal strain and is expected to be out for approximately 8 days. |
| 08-19-2035 | The Virginia Redskins have moved Art Harper, Monty Strausbaugh, Matt Scott, and Donnie Kozerski to the active roster. The Virginia Redskins have moved Cliff Hayes to the inactive roster. |
Linebacker