Duval attended Auburn University in Auburn, Alabama, where he played for the Auburn Tigers football team from 1999 to 2002. He is considered one of the best kickers and punters in Auburn football history. During his college career, Duval amassed over 9,000 punting yards for an average of 44 yards per punt. His 60.8 percent field goal completion rate helped Auburn to a 29-19 record during his four seasons with the team, including appearances in the 2000 Citrus Bowl and 2001 Peach Bowl. Memorably, Duval kicked a 44-yard game-winning field goal in the rain against the No. 1 ranked Florida Gators with 10 seconds left in the game in 2001. It was one of three game-winning field goals he made for the Tigers in 2001.