Football film where Charles S. Dutton motivates the titular protagonist, saying "You don't have to prove nothin' to nobody but yourself!"

___ John's Pizza (restaurant franchise)4 Chest muscle, for short3 "Today, I ___ man" (Bar Mitzvah words): 2 wds.3 "___ the tail on the donkey" (party game)3 "It is not the annual exam, it's just ___": 2 wds.5 "Why ___ the chicken cross the road?"3 "Sudden ___," song by Hayley Williams6 Apple's desktop offering4