To help enhance grip, every baseball used in a major league game is rubbed with a particular kind of mud only found at a secret location in New Jersey

Jim Abbot, a left-handed pitcher who was born without a right hand, threw a no-hitter against the Cleveland Indians in 1993

The quarterback is allowed to drop kick the ball by bouncing the ball off the ground and kicking it downfield

According to a 2009 Sports Illustrated article, 78% of NFL players are either bankrupt or are under financial stress within two years of retirement

Helmets were not mandatory for NFL players until 1939