articleThe Brief Cal Raleigh clubbed his 57th home run of the season, which surpassed Ken Griffey Jr's franchise record for the most home runs in a single season in Mariners franchise history. Raleigh hit his first opposite field home run of the season while batting as a right-hander, driving a sinker from Framber Valdez into the Astros bullpen for the record-breaking blast. Griffey held the previous record for Seattle of 56 home runs, which he set in back-to-back seasons for the Mariners in 1997 and 1998. Seattle’s Cal Raleigh hit his 57th home run of the season Saturday night against the Houston Astros to pass Ken Griffey Jr. for the single-season franchise record. He’s also set the MLB record for homers by a catcher this season, eclipsing the 48 Salvador Perez hit in 2021.