A 'face-off' in hockey was originally called a 'puck-off'.
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The practice of identifying baseball players by number was started by the Yankees in 1929.
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The first baseball caps were made of straw.
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Tug of War was an Olympic event between 1900 and 1920.
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In 1910 football teams were penalized 15 yards for an incompleted forward pass.
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The household wrench was invented by boxing heavyweight champion Jack Johnson in 1922.
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Most NASCAR Teams use nitrogen in their tires instead of air.
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