AUBURN, Ala. — Carnell "Cadillac" Williams, who was an all-American running back at Auburn and has served as an assistant coach the previous four seasons, will serve as interim head coach for the remainder of the season. 

As a player at Auburn, Williams helped lead Auburn to an undefeated season in 2004 while earning All-America honors that year. The 2005 NFL Rookie of the Year, Williams had a seven-year NFL career before entering the coaching ranks. The Auburn graduate is in his fourth season as an assistant coach where he has served as the Tigers' running backs coach.