Updated Sep 22, 2015 at 12:49p ET
AUBURN, Ala. (AP) The Auburn Tigers are changing starting quarterbacks.
Coach Gus Malzahn said Tuesday he is benching a struggling Jeremy Johnson and switching to Sean White starting with Saturday night's game against Mississippi State. Johnson was billed in the preseason as a potential Heisman Trophy candidate but has thrown six interceptions in three games.
The Tigers have fallen out of the rankings after starting at No. 6. White is a redshirt freshman who hasn't played in a game for Auburn yet.
The 6-foot, 200-pound White was rated as one of the top 10 quarterback prospects by several recruiting services out of high school in Boca Raton, Florida.
Malzahn also said defensive end Carl Lawson will miss ''an extended period of time.'' Lawson missed the past two games with a right hip injury.