That he's walking at all. And not just walking, starting for a major college football program that has quality people at that position.
Outside the lines, 30 for 30, college game day, ESPN the magazine, etc should all be camping out in provo to understand what it takes for a college player to have the mental, emotional and physical fortitude to come back from 3 devastating season ending injuries, spend most of the last 4 seasons doing grueling and painful recovery, and to overcome the fear of it happening again, and to go out and play.