Simplify the following text for a Grade 3 native English-speaking person.
Original: Ruth was the first player to hit 60 home runs in one season ( 1927 ) , setting the season record which stood until broken by Roger Maris in 1961 .
Simplified: In 1927 , Ruth hit 60 home runs , which was then a record for the most home runs in one season . The record was broken by Roger Maris in 1961 .