Top Mariners prospect Colt Emerson recalled from Tacoma

Field Level Media|published: Sun 17th May, 18:12 2026

Feb 23, 2026; Phoenix, Arizona, USA; Seattle Mariners shortstop Colt Emerson against the Los Angeles Dodgers during a spring training game at Camelback Ranch-Glendale. Mandatory Credit: Mark J. Rebilas-Imagn Images

The Seattle Mariners recalled top prospect infielder Colt Emerson prior to Sunday's game against the San Diego Padres.

Seattle placed infielder/outfielder Brendan Donovan (groin) on the 10-day injured list to open up a roster spot. The IL move is retroactive to May 16.

Emerson, 20, is set to make his major league debut. He is in the lineup at third base and batting ninth against the Padres.

Emerson is rated as Seattle's No. 1 prospect and the sixth overall in the majors by MLB Pipeline.

According to the Mariners, Emerson (20 years, 301 days) will be the youngest player to make his Seattle debut since right-hander Felix Hernandez (19 years, 118 days) on Aug. 4, 2005.

Emerson is the second-youngest player to debut in the majors this season behind Pittsburgh Pirates shortstop Konnor Griffin (age 19).

The left-handed-hitting Emerson is batting .255 with seven homers and 26 RBIs in 38 games at Triple-A Tacoma this season. He was a first-round pick (22nd overall) in the 2023 draft.

On March 31, Emerson signed an eight-year, $95 million deal with the Mariners through the 2033 season with a club option for 2034.

Donovan, 29, is batting .274 with three homers and eight RBIs in 25 games this season. He was acquired from the St. Louis Cardinals in the offseason.

--Field Level Media

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