Prior to 1900, prize fights lasted up to 100 rounds.
36
The first baseball caps were made of straw.
226
In England, there's a phenomenon called the "half-time kettle effect" where power use surges at half-time during England's matches in the World Cup as everyone turns on their tea kettles at the same time.
3
The household wrench was invented by boxing heavyweight champion Jack Johnson in 1922.
51
There is a sport called Banzai Skydiving. You throw the parachute out of the airplane first and then jump after it.
17
It takes 3,000 cows to supply the NFL with enough leather for a year's supply of footballs.
73