Luke attended the University of Alabama and was a Marketing Major and a standout in football. In football, he was a two-year starter and finished his college career with 90 receptions for 1,072 yards(11.91 yards per reception avg.) and nine touchdowns, and 13 kickoff returns for 256 yards(19.69 yards per kickoff return avg.). Luke also was the fastest player recorded in the 2004 NFL draft combine, running a blazing 4.30 seconds in the 40 yard dash.