Cal Raleigh stands alone as the Seattle Mariners’ home run king.

Raleigh passed Hall of Famer Ken Griffey Jr. for the Mariners’ single-season record with his 57th home run Friday night. And it perhaps came in the best place outside of T-Mobile Park – at the division rival Houston Astros’ homefield during a pivotal American League West showdown.

“The Big Dumper” went the opposite way on a sinker from Astros left-hander Framber Valdez, sending over the fence in right-center field for a solo shot and 3-0 lead in top of the third inning.

Raleigh’s record-setting blast traveled 398 feet and came off the bat at 105.6 mph.

Raleigh leads MLB in home runs and the AL with 119 RBIs.

The 57 home runs in a season are tied for 17th all-time with Luis Gonzalez and former Mariner Alex Rodriguez. He’s

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