The average career span of a major league player is about five years.
The career span of a major league baseball is about six pitches. The MLB goes through about 720,000 baseballs a season.
The earliest reference to baseball in America was in 1791.
A fastball moving 95 mph will reach home plate in 4/10 second.
Hughie Jennisings, who played in the 1890s, was recorded being hit by pitches 287 times.
The fourth inning is the one in which most home runs are hit.
Thirteen years after Babe Ruth died, Roger Maris broke his home run record. Thirteen years after Maris died, Mark McGwire broke his record.
Forty-two is the only number retired in the major leagues, the number was worn by Jackie Robinson.
