There is a growing sport in Berlin and London called Chess Boxing. Players alternate between a round of chess and a round of boxing until one is declared winner either by checkmate, KO, or technical stoppage.
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Most NASCAR Teams use nitrogen in their tires instead of air.
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The first baseball caps were made of straw.
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During WWII, because a lot of players were called to duty, the Pittsburgh Steelers and Philadelphia Eagles combined to become The Steagles.
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A 'face-off' in hockey was originally called a 'puck-off'.
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Each year, 30,000 people are seriously injured by exercise equipment.
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