Cal Raleigh Shatters Mariners' Single-Season Home Run Record, Leads MLB

Seattle Mariners catcher Cal Raleigh made history on September 21, 2025, hitting his 57th home run of the season against the Houston Astros. This monumental blast, a 95.5 mph sinker off Framber Valdez, not only extended the Mariners' lead to 3-0 but also set a new single-season franchise record, surpassing Ken Griffey Jr.'s previous mark of 56 homers from 1997 and 1998. Raleigh's record-breaking performance also sees him leading the majors in home runs this season. Furthermore, he has eclipsed Mickey Mantle’s long-standing MLB record of 54 home runs by a switch-hitter from 1961 and set a new MLB record for most homers by a catcher, surpassing Salvador Perez's 48 from 2021. Raleigh celebrated the achievement with a raised arm and the Mariners' signature trident.