In 1997, the Seattle Mariners hit 264 home runs to set the MLB record.
Barry Bonds holds the record for career home runs with 762 and the mark for most homers in a season with 73.
Coors field
As of June 2014 Barry Bonds holds the record for most regular season homeruns. The record is 73 which beat Mark McGwire's record.
David Ortiz set the single-season record for most home runs by a Boston Red Sox player in 2006. He hit 54 home runs that year, which was the most in the American League.
The record is still held by Barry Bonds.
The record for the most home runs hit by a pitcher in a single season is 9, achieved by Wes Ferrell in 1931.
Dave Klingman holds the record for most home runs hit during a retirement season. He hit 35 home runs in his 1987 final season.
Mark McGwire had over 70 home runs in one season
Barry Bonds holds the record for career home runs with 762 and the mark for most homers in a season with 73.
Dave Klingman holds the record for most home runs hit during a retirement season. He hit 35 home runs in his 1987 final season.
He holds the major league records for most home runs in a career (762) and most home runs in a season (73).
He holds the world record for the most home runs in a single season.
Coors field
As of June 2014 Barry Bonds holds the record for most regular season homeruns. The record is 73 which beat Mark McGwire's record.
David Ortiz set the single-season record for most home runs by a Boston Red Sox player in 2006. He hit 54 home runs that year, which was the most in the American League.
The record is still held by Barry Bonds.
i believe the record is 303 in 1999 at coors field