Ключевые слова: american, athlete, back, ball, blackboard, chalk, chalkboard, coach, contrast, dark, defense, drill, foot, football, grunge, highlights, hike, instruct, lesson, line, locker room, offense, pass, pigskin, play, playbook, player, quarterback, receive, receiver, running, running back, rush, safety, scrimmage, sports, strategy, string, studio, tackle, tactic, teach, team, together, white,