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- American football and Canadian football , both manufactured by Wilson. The American football is for use in college or high school games, as it has white stripes that only halfway encircle the ball. Balls used in the NFL do not have stripes. Balls used in Canada have stripes that completely encircle the balls. (en)
- American and Canadian football share many similarities, having been partly inspired by rugby football, brought to North America by English immigrants (en)
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