Joey Meyer - 582 foot home run - Longest home run in professional baseball

June 2, 1987 the Triple-A Denver Zephyrs hosted the Buffalo Bisons at Mile High Stadium in front of 1,404 fans. In the bottom of the 7th, Bisons pitcher Mike Murphy hung a 2-2 slider that Meyer hit an amazing 582 feet into the upper deck of Mile High Stadium, a measured record that still stands throughout professional baseball in the United States.