Ключевые слова: action, american, american football, athlete, athletics, background, ball, black, college, collegiate, competition, concept, copy, cut, field, football, football field, football helmet, footballhelmet, game, grass, green, gridiron, helmet, horizontal, isolated, line, nobody, object, pair, pigskin, play, recreation, reflection, rugby, safety, shot, side, sport, studio, summer, team sport, three, traditional, traditional sport, two, two helmets, uniform, white, white stripe,