Mark McGwire
Mark McGwire is an American former professional baseball player who set a then-record 70 home runs in the 1998 major-league season. His career later became closely associated with baseball’s performance-enhancing drug controversy.
Mark McGwire is an American former professional baseball player who set a then-record 70 home runs in the 1998 major-league season. His career later became closely associated with baseball’s performance-enhancing drug controversy.