Former Seattle Mariners bullpen standout Erik Swanson is hanging up his cleats.

The 32-year-old Swanson announced his retirement from MLB on Thursday.

M’s announce date, giveaway for Randy Johnson number retirement

“My time in this game was nothing short of amazing,” Swanson wrote in a post on Instagram . “Thank you to everyone who helped me along the way and to all those who supported me. You all have truly made this journey an unforgettable 12 years.”

Swanson played four of his seven MLB seasons with the Mariners, including his best campaign in the big leagues. That was 2022 when the 6-foot-3 right-hander emerged as a reliable option to get left-handed hitters out with a strong splitter.

Swanson made 57 appearances during the 2022 regular season and finished with career-best marks

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