The practice of identifying baseball players by number was started by the Yankees in 1929.
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All major league baseball umpires must wear black underwear while on the job!
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Most NASCAR Teams use nitrogen in their tires instead of air.
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It takes 3,000 cows to supply the NFL with enough leather for a year's supply of footballs.
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There is a sport called Banzai Skydiving. You throw the parachute out of the airplane first and then jump after it.
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