DJ's mentor is one of the greatest athletes of all time.
RelatedWhitlock 1-on-1: Mike Pereira: Bobby Wagner is a freak of nature | SPEAK FOR YOURSELF
RelatedColin argues it is not time to end Kaepernick's run with the 49ers yet | SPEAK FOR YOURSELF
RelatedAlabama is the 'Seinfeld' of college football | SPEAK FOR YOURSELF
RelatedThe 8 Ultimate Moments of Rashad Evans' career | UFC Ultimate Insider