All major league baseball umpires must wear black underwear while on the job!
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The first baseball caps were made of straw.
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Kobe Bryant was named after a steak.
26
Most NASCAR Teams use nitrogen in their tires instead of air.
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In 1910 football teams were penalized 15 yards for an incompleted forward pass.
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At 120 miles per hour, a Formula One car generates so much downforce that it can drive upside down on the roof of a tunnel.
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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.
8
The household wrench was invented by boxing heavyweight champion Jack Johnson in 1922.
51