Ключевые слова: action, agility, american, athlete, background, ball, blocking, competition, confidence, coordination, dedication, exercise, field, fitness, football, game, gray, guard, high school, jersey, lineman, offensive, play, players, playing, power, protection, protective, quarterback, receiver, receiving, red, running back, safety, shotgun, sports, sprint, start, starting, team, teamwork, teenagers, turf, uniforms,