It takes 3,000 cows to supply the NFL with enough leather for a year's supply of footballs.
73
The practice of identifying baseball players by number was started by the Yankees in 1929.
64
Boxer Wladimir Klitshko auctioned his Olympic gold medal to raise money for underprivileged Ukrainian children. He raised $1,000,000. The buyer immediately returned the medal to Wladimir as he wanted it to remain in the Klitschko family.
4
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
Cheetahs were raced at Romford greyhound stadium in 1937!
60
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