A home run (also abbreviated to homer) happens when a batter hits a ball out of the playing area in fair territory, or hits a ball in play and is able to run all the bases at one time without the aid of an error.
Home run recordsEdit
Most home runs in a game: 4 (done many many times)
Most home runs in a season: 73 by Barry Bonds
Most home runs in a career: 762 by Barry Bonds.