Bob St. Clair, San Francisco 49ers, is shown in this 1963 photo. (Associated Press)

New York Giant quarterback Y.A. Tittle, left, and Giants offensive halfback Hugh McElhenney, right, have San Francisco tackle Bob St. Clair in the middle as they attend football luncheon in New York on Nov. 18, 1963. The Giants routed the San Francisco 49ers, 48-14 at New York's Yankee Stadium on November 17, to gain undisputed possession of first place in the eastern division of the National Football League. All three once played with the 49ers. (AP Photo/Harry Harris)

Hall of Famer San Francisco 49ers tackle Bob St. Clair, right, waves to the crowd during a ceremony to retire his (79) jersey when he played with the 49ers from 1953-1964 on Sunday, Dec. 2, 2001, in San Francisco. (AP Photo/Paul Sakuma)

Hall-of-Famer Bob St. Clair is introduced during the enshrinement ceremony at the Pro Football Hall of Fame, Saturday, August 5, 2006, in Canton, Ohio. (AP Photo/Tony Dejak)

Former offensive tackle Bob St. Clair of the San Francisco 49ers wearing his NFL Pro Football Hall of Fame induction jacket (inducted in 1990) during pregame ceremonies honoring former Niners prior to the game against the Minnesota Vikings at Monster Park on November 5, 2006 in San Francisco, California. (AP Photo/Paul Spinelli)

Pro Football Hall of Fame inductees Bob St. Clair, Jack Lambert, Franco Harris, Tom Landry, Bob Griese, Ted Hendricks, and Buck Buchanan at the NFL Pro Bowl, a 27-21 NFC victory on February 4, 1990, at Aloha Stadium in Honolulu, Hawaii. (National Football League)

Enshrinee Bob St. Clair is introduced during the Pro Football Hall of Fame enshrinement ceremony Saturday, Aug. 2, 2014, in Canton, Ohio. (AP Photo/David Richard)

The 1990 Pro Football Hall of Fame enshrinement class poses with their busts in Canton, Ohio, Aug. 5, 1990, from left: Pittsburgh Steelers linebacker Jack Lambert, San Francisco 49ers tackle Bob St. Clair, Dallas Cowboys head coach Tom Landry, Miami Dolphins quarterback Bob Griese, Los Angeles Raiders linebacker Ted Hendricks, Kansas City Chiefs defensive end Buck Buchanan and Pittsburgh Steelers running back Franco Harris. (AP Photo/Michael Fabus)

Miami Dolphins quarterback Bob Griese, (left) finds his vision blocked by Cleveland Browns defensive end Mike St. Clair in third quarter action in Cleveland, Ohio on Sunday, Nov. 19, 1979. This pass was incomplete, and the Browns went on to defeat the Dolphins 30-24. no penalty was called on this play. (AP Photo/Andersen)

Bob St. Clair is seen in this undated photo. (Pro Football Hall of Fame via AP Images)

Bob St. Clair is seen in this undated photo. (Pro Football Hall of Fame via AP Images)

Bob St. Clair is seen in this undated photo. (Pro Football Hall of Fame via AP Images)

Bob St. Clair is seen in this undated photo. (Pro Football Hall of Fame via AP Images)

Bob St. Clair is seen in this undated photo. (Pro Football Hall of Fame via AP Images)

Former pro football player Bob St. Clair poses with his bust after being inducted into the Pro Football Hall of Fame in Canton, Ohio, Aug. 4, 1990. (AP Photo/Jeff Glidden)