#ball_carrier  (football) the football player who is carrying (and trying to advance) the ball on an offensive play
  supertype:  #football_player__footballer  an athlete who plays American football
  subtype:  #forward_passer__forwardpasser__passer  (football) a ball carrier who tries to gain ground by throwing a forward pass
  subtype:  #rusher.ball_carrier  (football) a ball carrier who tries to gain ground by running with the ball

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