There is a sport called Banzai Skydiving. You throw the parachute out of the airplane first and then jump after it.
17
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
When pitched, the average Major League baseball rotates 15 times before being hit.
113
In 1910 football teams were penalized 15 yards for an incompleted forward pass.
63
During WWII, because a lot of players were called to duty, the Pittsburgh Steelers and Philadelphia Eagles combined to become The Steagles.
113
A 'face-off' in hockey was originally called a 'puck-off'.
70