FILE - St. Louis Rams Carnell "Cadillac" Williams is shown during warm ups before the first half of an NFL football game against the Seattle Seahawks, Monday, Dec. 12, 2011, in Seattle. Carnell Williams was an All-American running back on Auburn's undefeated team in 2004. Now, the former NFL rookie of the year is running the show. Williams is serving as Auburn's interim coach for the last four games, starting Saturday at Mississippi State. He replaces Bryan Harsin, who was fired Monday, Oct. 31, 2022, after going 9-12 with the Tigers. (AP Photo/Ted S. Warren, File)