Mark McGwire hit home run number 62 to break Roger Maris' single season home run record on September 8, 1998 off Cubs pitcher Steve Trachsel.
Mark McGwire broke Roger Maris' single season home run record of 61 in 1998. McGwire would finish the year with 70 home runs setting the new single season home run record. In 2001 Barry Bonds broke this record by hitting 73 home runs.
As of June 2014 Barry Bonds holds the record for most regular season homeruns. The record is 73 which beat Mark McGwire's record.
7 Gold Medals in a single Olympics. he was a swimmer.
The person's record that Brian Lara beat was Matthew Haydens. The record was for the highest score ever recorded in the game of cricket.
No. Babe Ruth hit more career home runs (714) than Mark McGwrie (583). Mark McGwire hit 70 home runs in 1998, and broke Roger Maris' single season home run record of 61 set in 1961. Maris had broken Babe Rurh's single season home run record of 60 set in 1927.