NORMAN — Walk-on.

Automatically, you might think of a try-hard guy who turned down lower profile scholarships to play at a big-time program.

That description doesn't apply to running back Dominique Whaley, listed second on Oklahoma's depth chart ahead of four- and five-star recruits.

“Since the first day he got here, he opened all our eyes real big,” said nickel back Tony Jefferson. We're like, ‘You're a walk-on? You should be playing somewhere.'”