As a junior in 2012, Smith had 97 tackles, 3.5 tackles for loss, 4 forced fumbles, and 8 passes defended.
As a senior in 2013, Smith had 159 tackles and 13.3 tackles per game-both the most among all FBS players this season-along with 8 tackles for loss, 2 forced fumbles, one interception, and one pass defended.