sportsrec.com

0wnQL TIL when basketball first started, the backboard was not a designed piece of equipment. They were added years later to keep fans from interfering with the game.
jNYjj TIL that football fields aren't flat, they are slightly curved with the highest point in the middle of the field. This is make sure rain water doesn't make puddles, and instead slide off the field.
b9DD0 TIL Soccer balls were originally black and white so they were easy to spot on television.