 The Arkansas Razorbacks are coached by Bobby Petrino who was introduced as the new coach on December 11, 2007.Petrino follows the ten season tenure of Houston Nutt who resigned November 26, 2007 after a year marked by off-the-field turmoil.In 1964, the Razorbacks were the only team to go through the regular season and a bowl game undefeated, and they were awarded the Football Writers Association of America National Championship.