American football game strategy written with chalk on blackboard

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Size: 5224px × 3350px
Photo credit: © Leonid Iastremskyi / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: american, ball, blackboard, board, chalk, chalkboard, coach, competition, concept, conceptual, defense, diagram, drawing, drawn, explaining, field, football, game, hand, hold, holding, instruct, lesson, map, organization, plan, play, quarterback, receiver, rugby, running, safety, score, sketch, sport, sports, strategy, tactic, teach, team, teamwork, trainer, training, white, writing, written