It's a full-contact sport. Norval and Arnie are two of the stars on the Southside High football team. They're best friends off the field, too, and they're both hoping to play college ball some day. But Arnie has been acting weird lately. And Norval isn't the only one who has noticed. When Coach Green asks Norval to watch Arnie for signs of a concussion, it sounds like spying. But is betraying Arnie the best way for Norval to help his friend?
