Williams, a first-round pick out of Florida in the 1986 NFL Draft, became a unique offensive option for Seattle. Williams led the Seahawks in receptions for three seasons (1988, 1990, 1992), including a career-high of 12 receptions in a game, showcasing his versatility as a fullback. Williams was voted Team MVP twice (1988, 1990) and selected to the Pro Bowl in back-to-back seasons (1990, 1991). During his eight seasons in Seattle, he started 116 games, scored 17 touchdowns, and recorded the fifth-most pass receptions (471) and sixth-most rushing yards in franchise history (4,579). Williams finished his career in Pittsburgh, playing two more seasons. In 1997, Williams was inducted into the University of Florida Athletic Hall of Fame.