American football

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Across
  1. 5. on what kind of field is american football played?
  2. 7. how many players is on one team?
  3. 8. ball used to play with it
Down
  1. 1. how many players are in rugby in one team?
  2. 2. who was best player between 1915 and 1920?
  3. 3. what is the name of team that the best player played in?
  4. 4. what do players need on their heads?
  5. 6. how many reserves are in rugby?