New York Giants defense Lawrence Taylor (56), Erik Howard (74) and Leonard Marshall (70) jubilate over Denver broncos quarterback John Elway after he was sacked by George Martin (75) for safety in second quarter of Super Bowl XXI in Pasadena, Calif. Sunday Jan. 25, 1987. (AP Photo/Ron Heflin)

Denver Broncos quarterback John Elway gets pressure from New York Giants Leonard Marshall (70) and Jim Burt (64) during the second quarter of Super Bowl XXI in Pasadena, Calif., Jan. 25, 1987. (AP Photo/Reed Saxon)

Dallas Cowboys quarterback Gary Hogeboom (14) is sacked by New York Giants defensive end Leonard Marshall for a loss of ten yards in the third quarter, Nov. 4, 1984 at Irving, Texas. New York won the game 19-7. (AP Photo/Nuri Vallbona)

The ball pops free as Washington Redskins quarterback Jay Schroeder is hit by Giants Leonard Marshall while trying to pass during the third quarter of NFC Championship game in East Rutherford, N.J., Sunday, Jan. 11, 1987. Redskins recovered the ball. (AP Photo/Susan Ragan)

New York Giants end Leonard Marshall celebrates his second quarter sack of Minnesota Vikings quarterback Tommy Krammer in Monday's 24-14 win at Giants Stadium in East Rutherford, N.J., Oct. 31, 1989. (AP Photo/Ray Stubblebine)

San Francisco 49er running back Roger Craig runs with the ball for a gain of a yard as New York Giants defensive end Leonard Marshall grabs hold during the first quarter of their NFL game at Candlestick Park, Nov. 27, 1989. (AP Photo/Eric Risberg)

New York Giants defensive end Leonard Marshall (70) sacks scrambling Washington Redskins quarterback Joe Theismann (7) during the NFL football game on October 20, 1985 in East Rutherford, New Jersey. The Giants won the game 17-3. (AP Photo/Paul Spinelli)

Los Angeles Rams quarterback Jim Everett (11) takes a hard hit from New York Giants defensive end Leonard Marshall (70) after throwing a pass during the Rams 19-13 overtime victory in the 1989 NFC Divisional Playoff Game on Jan. 7, 1990 at Giants Stadium in East Rutherford, NJ. (AP Photo / Al Messerschmidt)

Denver Broncos quarterback John Elway (7) sets to throw a pass before taking a hit from New York Giants defensive tackle Leonard Marshall (70) during a 39 - 20 loss in Super Bowl XXI on Jan. 25, 1987 at the Rose Bowl in Pasadena, Ca. (Al Messerschmidt via AP)

New York Giants defensive end Leonard Marshall (70) looks on during the NFL NFC Wild Card playoff football game against the San Francisco 49ers on Dec. 29, 1985 in East Rutherford, N.J. The Giants won the game 17-3. (AP Photo/Paul Spinelli)

New York Giants defensive lineman Leonard Marshall (70) and Giants linebacker Lawrence Taylor (56) get set for the snap during the NFL football game against the Green Bay Packers on December 20, 1986 in East Rutherford, New Jersey. The Giants won the game 55-24. (AP Photo/Paul Spinelli)

Denver Broncos Hall of Fame quarterback John Elway (7) throws a pass as Leonard Marshall (70) rushes and tries to deflect it during Super Bowl XXI Jan. 25, 1987, at the Rose Bowl in Pasadena. The NY Giants defeated the Denver Broncos 39–20. (Tony Tomsic via AP)

Defensive tackle Leonard Marshall (70) of the New York Giants rushes quarterback John Elway (7) of the Denver Broncos during Super Bowl XXI January 25,1987 in Pasadena. The Giants defeated the Broncos 39- 20. (Al Messerschmidt via AP)

New York Giants defensive end Leonard Marshall (70) pressures Chicago Bears quarterback Jim McMahon (9) during the 1985 NFC Divisional Playoff Game in Chicago, Jan. 5, 1986. The Bears shutout the Giants 21-0. (AP Photo/Vernon Biever)

Los Angeles Rams offensive lineman Irv Pankey (75) lead blocks for Los Angeles Rams running back Eric Dickerson (29) as New York Giants defensive end Leonard Marshall (70) gives chase during the NFL football game against the New York Giants on Nov. 10, 1985 in East Rutherford, N.J. The Giants won the game 24-19. (Paul Spinelli via AP)

New York Giants defensive end Leonard Marshall (70) during the Giants 20 to 19 victory over the Buffalo Bills in Super Bowl XXV on January 27, 1991 at Tampa Stadium in Tampa, Florida. (AP Photo/Paul Spinelli)

New York Giants defensive end Leonard Marshall (70) during the Giants 20 to 19 victory over the Buffalo Bills in Super Bowl XXV on January 27, 1991 at Tampa Stadium in Tampa, Florida. (AP Photo/Paul Spinelli)

New York Giants defensive end Leonard Marshall (70) has a hearty holiday laugh with New York Giants long time lineup announcer Cy Fraser before the 1989 NFL regular season football game against the Los Angeles Raiders on Dec. 24, 1989 in East Rutherford, N.J. The Giants won the game 34-17. (Paul Spinelli via AP)

New York Giants defensive end Leonard Marshall (70) celebrates a 7 yard sack of Bills quarterback Jim Kelly (12) during the Giants 20 to 19 victory over the Buffalo Bills in Super Bowl XXV on January 27, 1991 at Tampa Stadium in Tampa, Florida. (AP Photo/Paul Spinelli)

New York Giants defensive lineman Leonard Marshall (70) warms up during an NFL game against the San Francisco 49ers on Sunday, Nov. 27, 1989, in San Francisco. The 49ers won the game, 34-24. (AP Photo/Greg Trott)