Around 10 o'clock Friday night, A.J. Hawk will do what he does on the eve of every game. He'll pick up the phone and call his parents. But before you cue the Waltons music and get all sappy about the family bonding, consider the ritual subject matter between the Ohio State linebacker and his mom, Judy. She's not just there to say nighty-night. "She's straight-up mean," A.J. says, laughing. "She's not a mean person, but she tells me what she wants me to do to the other team. She's crazy." Judy's general instructions: Hit 'em all. Hit 'em hard. Violently...