2013 (r-So.): Rocker saw action in all 12 games, earning nine starts this season and will return as the most experienced defensive lineman for the Tops in 2014. He recorded 37 tackles, 5.5 tackles for loss and two sacks on the season. Rocker had a season-high seven tackles at South Alabama while he racked up five solo tackles against Arkansas State in the season finale. He recorded at least one tackle in the final 11 games of the season and had multiple tackle performances in eight of the season's 12 games. Rocker notched sacks in the ULL and Georgia State games and had tackles for loss against South Alabama, ULL, Troy, Georgia State and a pair against Arkansas State.
2012 (r-Fr.): Rocker saw action in 12 games, earning the starting nod in three contests. He tallied three sacks on the season, a mark that ranked third among WKU defenders. His four tackles for loss ranked seventh on the team. Rocker was one of seven Hilltopper defensive linemen to record double-digit tackles on the season, finishing with 14. He totaled five multi-tackle performances. Rocker debuted in impressive fashion against Austin Peay on Sept. 1, notching his first-career sack in his first-career start. He finished the game with career-high three solo tackles, two for loss, and a recovered fumble. He recorded the second sack of his career at top-ranked Alabama on Sept. 8. Rocker posted two solo tackles in a win at Kentucky on Sept. 15 and picked up his third sack of the year against ULM on Oct. 20. The sack went for a seven-yard loss.
2011 (Fr.): Rocker redshirted in his first season on The Hill.
HS/Misc: Rocker accumulated over 120 tackles for his career at Sandy Creek High School while leading the Patriots to 29-consecutive victories and a pair of state championships. He compiled 68 tackles and 10 sacks from his defensive line position during his senior season. Rocker was an Honorable Mention All-State performer in 2010 and was named First-Team All-County and All-Region. Rocker was rated as a two-star recruit by Rivals.com. Gavin Rocker is the cousin of current Hilltopper offensive lineman Donald Rocker.