According to Dan Pompei of the National Football Post, one of the reasons the Jacksonville Jaguars are moving Tyson Alualu to defensive end is because of some concerns over his knees.
Part of the reason the Jaguars are moving Tyson Alualu from defensive tackle to defensive end is he fits the end position in Gus Bradley’s new scheme, but there is more to it than that. Alualu has knee problems that have taken away some of his short area quickness. His knee should be less vulnerable playing outside. Since the Jaguars chose Alualu with the 10th pick of the 2010 draft, he never has shown the explosiveness he had at Cal. So he likely won’t be a big sack guy at end, but he should hold the point well and play solid run defense.