After his first get-to-know-you meeting with Michael Crabtree five years ago, Lincoln Riley was surprised when the shy redshirt freshman wide receiver playfully jabbed him about his youth and inexperience. On their way out the door, Crabtree, who had barely said a word, smiled at his new 24-year-old position coach. "You're kind of young, huh?" Riley recalls Crabtree saying. "You haven't coached receivers very much have you?"