FILE - In this July 15, 2016, file photo, Stanford running back Christian McCaffrey speaks at the Pac-12 NCAA college football media day, in Los Angeles. When Christian McCaffrey informed his Stanford teammates that he'd decided to sit out the Sun Bowl so as not to risk injury just as he was about to embark on his pro career, the junior running back got an unexpected reaction: a standing ovation. (AP Photo/Reed Saxon, File)