Barry Bonds is the current holder, with 73 home runs in 2001.
Barry Bonds
Barry Bond
Barry Bond
Coors field
Barry Bonds is the current holder, with 73 home runs in 2001.
Mike Smith
California Angels.
Mike Smith
He holds the world record for the most home runs in a single season.
As of the 2008 season, that is Ralph Kiner who hit 54 HRs in 1949.
Barry Bonds holds the record for most home runs hit in a single season with 73, set in 2001.