During WWII, because a lot of players were called to duty, the Pittsburgh Steelers and Philadelphia Eagles combined to become The Steagles.
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The practice of identifying baseball players by number was started by the Yankees in 1929.
64
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
Prior to 1900, prize fights lasted up to 100 rounds.
36
In 2011, two men paraglided from the summit of Mt. Everest, arriving at a village in 42 minutes and avoiding the dangerous conventional 3 day descent.
6
There is a sport called Banzai Skydiving. You throw the parachute out of the airplane first and then jump after it.
17
The Stanley Cup originally was only seven and a half inches high.
41
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