Mariners Prospect Pipeline is Loaded with Middle Infield Talent

Through multiple channels, including the international signing pools and the June amateur draft, the Seattle Mariners have stacked their farm system with high end talent in the middle infield.
Colt Emerson, Tai Peete
Colt Emerson, Tai Peete / Steph Chambers/GettyImages
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The 55 FV Guys- According to MLB Pipeline's list, the Mariners possess two middle infielders who project to be above-average everyday players (55 FV), Colt Emerson and Cole Young. Cole was Seattle's first-round pick in 2022, with Emerson being selected in the 1st round in June 2023. Emerson hit .374 in 24 minor league games in his first taste of pro ball, drastically outperforming the high expectations that the organization had for him last season.

Time will tell if the 18-year-old can stick at shortstop, but he should be a solid defender if he ends up migrating to the keystone as he ascends through the system. The hit tool is the most exciting thing on Colt's scouting report, but he could run into some home run power too if the raw power translates at the higher levels.

Cole Young has raked at every level, earning his spot as the Mariners' #1 prospect according to In his first full pro season, he walked 88 times and finished with a .399 OBP, while only striking out 90 times in 126 games. The power in the gaps was encouraging, and the .848 OPS was a great start to Young's minor league career. The Mariners will look for Young to continue his development at the plate, and potentially tap into his power more in his second full season. Young is a capable defender but seems quite likely to move to second base in the next year or two, according to scouts.