Mark McGwire broke Roger Maris' record in 1998, when he hit 70 home runs.
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roger maris
Roger Maris with 61 home runs.
On October 1, 1961, Roger Maris hit his 61st home run breaking Babe Ruth's record.
Before Babe Ruth, Roger Connor held the home run record, with 138 home runs.
That was 1961.
Roger Maris (61)
61
Babe Ruth's
Before Babe Ruth broke the career home run record, it was held by Roger Connor with 138.
Roger Maris broke Babe Ruth's record in 1961, by hitting 61 home runs during the season.