While attending Louisiana State University, Logan played for coach Les Miles's LSU Tigers football team from 2009 to 2012. After redshirting during the 2009 season, he played three games in 2010 and had five tackles, including 0.5 for a loss. In 2011, he played 14 games and had 57 tackles, including 6.5 for a loss, and three quarterback sacks. He had six tackles, including 1.5 for a loss, and one sack in the BCS Championship Game against the Alabama Crimson Tide.