San Francisco 49ers defensive end Fred Dean (74) leaves the field following the 49ers 21-10 victory over the New York Giants in the 1984 NFC Divisional Playoff Game on December 29, 1984 at Candlestick Park in San Francisco, California. (Photo by MPS/NFL)

San Francisco defensive end Fred Dean (74) rushes from the right side while Tampa Bay's Ron Heller (73) sets to block him. The 49ers defeated the Bucaneers 24-7 at Candlestick Park, San Francisco, CA on November 25, 1984. (Photo by Arthur Anderson/NFL)

San Francisco 49ers defenive tackle Fred Dean in a 10 to 17 win over the New York Giants on November 29, 1981 at Candlestick Park in San Francisco, California. (Photo by Al Messerschmidt/NFL)

SAN FRANCISCO - NOVEMBER 18: Defensive end Fred Dean #74 of the San Francisco 49ers raises his arm in an attempt to block a pass from Tampa Bay Buccaneers quarterback Steve DeBerg #17 during a game at Candlestick Park on November 18, 1984 in San Francisco, California. The 49ers won 24-17. (Photo by George Rose/Getty Images)

New York Giants quarterback Phil Simms (11) easily gets his pass by San Francisco 49ers defensive end Fred Dean (74) during the NFC Wildcard Playoff, a 17-3 Giants victory on December 28, 1985, at Giants Stadium in East Rutherford, New Jersey. (Photo by David Stock/NFL)

Defensive tackle Fred Dean of the San Diego Chargers in a home game against the Denver Broncos at San Diego Stadium in San Diego, California (Photo by NFL/NFL)

Defensive tackle Fred Dean of the San Diego Chargers in a 17 to 27 loss to the Oaklnad Raiders on October 10, 1976 at San Diego Stadium in San Diego, California (Photo by NFL/NFL)

PALO ALTO, CA - JANUARY 20: Defensive end Fred Dean #74 of the San Francisco 49ers waits between plays against the Miami Dolphins in Super Bowl XIX at Stanford Stadium on January 20, 1985 in Palo Alto, California. The 49ers defeated the Dolphins 38-16. (Photo by Corky Charles Trewin/NFL Photos/Getty Images)

SAN DIEGO, CA - AUGUST 8: Defensive end Fred Dean #71 of the San Diego Chargers looks across at the opposing offense against the St.Louis Cardinals on August 8, 1981 at Jack Murphy Stadiium in San Diego, California. The Cardinals defeated the Chargers 12-10. (Photo by NFL Photos via Getty Images)

San Francisco 49ers defensive end Fred Dean (74) wraps up Chicago Bears Hall of Fame running back Walter Payton (34) during the 1984 NFC Championship Game, a 23-0 49ers victory on January 6, 1985, at Candlestick Park in San Francisco, California. (Photo by Rob Brown/NFL)

SAN DIEGO, CA - OCTOBER 14: Defensive end Fred Dean #71 of the San Diego Chargers watches from the sideline against the Seattle Seahawks at San Diego Stadium on October 14, 1979 in San Diego, California. The Chargers defeated the Seahawks 20-10. (Photo by Richard Stagg/NFL Photos/Getty Images)

AFC fullback Pete Johnson of the Cincinnati Bengals is stopped by NFC defensive end Fred Dean (74) of the San Francisco 49ers and Hall of Fame linebacker Harry Carson (53) of the New York Giants during the AFC's 16-13 victory over NFC in the 1982 NFL Pro Bowl played on January 31, 1982 at Aloha Stadium in Honolulu, Hawaii. (Photo by NFL/NFL)

NFC defensive end Fred Dean (74) of the San Francisco 49ers in action on the pass rush during the NFC's 16-13 loss to the AFC in the 1982 NFL Pro Bowl played on January 31, 1982 at Aloha Stadium in Honolulu, Hawaii. (Photo by NFL/NFL)

CANTON , OH - AUGUST 02: Edward J. DeBartolo Jr. and Fred Dean during the 2008 Pro Football Hall of Fame Enshrinement Ceremony at Pro Football Hall of Fame Field at Fawcett Stadium on August 2, 2008 in Canton, Ohio. (Photo by Ben Liebenberg/NFL.com)