Football

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Across
  1. 3. The brand that has manufactured every official NFL game ball since 1941.
  2. 6. The tight, spinning rotation of a perfectly thrown ball.
  3. 8. The technical geometric shape of a football (a ________ spheroid).
  4. 9. Slang for a poorly thrown ball that wobbles in the air.
Down
  1. 1. The white "strings" on a football used for grip during a throw.
  2. 2. Despite the "pigskin" nickname, modern balls are actually made from this.
  3. 4. The material used to make official NFL game balls.
  4. 5. The official nickname printed on every NFL game ball (named after Wellington Mara).
  5. 7. The heavy-duty rubber balloon inside the leather that holds the air.
  6. 8. The most common slang nickname for a football.