Cheetahs were raced at Romford greyhound stadium in 1937!
60
Each year, 30,000 people are seriously injured by exercise equipment.
46
The household wrench was invented by boxing heavyweight champion Jack Johnson in 1922.
51
The average life span of a major league baseball is 5-7 pitches.
114
All major league baseball umpires must wear black underwear while on the job!
104
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.
91
The practice of identifying baseball players by number was started by the Yankees in 1929.
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