- No. 51 OL
- College: UCLA
- NFL draft: 1976 / Round: 2
- San Francisco 49ers (1976–1988)
- 3× Pro Bowl (1981, 1982, 1984)
- 3× First-team All-Pro 1981, 1984, 1985)
- 1× Second-team All-Pro 1986)
- 4× First-team All-NFC (1980, 1984, 1985, 1986)
- 2× Second-team All-NFC (1982, 1987)
- 3× Super Bowl champion (XVI, XIX, XXIII)
- Games played: 185
- Games started: 180
- College Football Hall of Fame
- CBS Sports 1989-1993, NFC Pplayoffs and Super Bowl XXVI.
- Currently broadcasting NBC Sports, Notre Dame, The NFL Today & Sirius Radio