Ключевые слова: american, athletic, background, ball, black, blackboard, brown, chalkboard, closeup, college, competition, concept, copy, drawn, entertainment, equipment, field, football, game, goal, grass, green, lace, league, leather, line, oval, pigskin, play, professional, recreation, scheme, space, sport, sports, stadium, stitch, superbowl, team, texture, textured, top, turf, usa, yard,