MLB home run record: List of most home runs in a season, single-season HR leaders as Aaron Judge hits No. 60 - CBS Sports

Mark McGwire, 70, 1998.

Sammy Sosa, 66, 1998.

Mark McGwire, 65, 1999.

Sammy Sosa, 64, 2001.

Sammy Sosa, 63, 19996

Mark McGwire, 70, 19986

Sammy Sosa, 66, 1998.

Mark McGwire, 65, 19997

Sammy Sosa, 64, 2001.

Barry Bonds, 141 games, 2001.

Mark McGwire, 142 games, 19984

Sammy Sosa, 148 games, 19995

Sammy Sosa, 149 games, 1998.

Babe Ruth, 154 games, 19276

Mark McGwire, 155 games, 1999.

Sammy Sosa, 157 games, 20017

Mark McGwire, 144, 19983

Mark McGwire, 156, 1999.

Sammy Sosa, 158, 20016

Mark McGwire, 145, 1998.

Mark McGwire, 157, 1999.