Seattle Mariners 2025 Top MLB Prospects (original) (raw)

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Today, we’re unveiling the 10 best prospects in the Mariners system entering 2025.

The top of the Mariners system is headlined by Colt Emerson, a balanced offensive presence who has a hit tool and mature approach at the plate that should see him in a major league lineup sooner rather than later.

Baseball America’s Austin Yamada is hosting a chat at 2 p.m. ET to discuss Emerson and the overall state of Seattle’s farm system.

Below, you can find our projected Mariners lineup for 2028, as well as a rundown of prospects with the best scouting tools in the system.

Projected 2028 Lineup

Catcher: Cal Raleigh (31)
First Base: Tyler Locklear (27)
Second Base: Michael Arroyo (23)
Third Base: Colt Emerson (22)
Shortstop: Cole Young (24)
Left Field: Harry Ford (25)
Center Field: Jonny Farmelo (23)
Right Field: Julio Rodriguez (27)
Designated Hitter: Lazaro Montes (23)

No. 1 Starter: George Kirby (30)
No. 2 Starter: Logan Gilbert (31)
No. 3 Starter: Bryan Woo (28)
No. 4 Starter: Bryce Miller (29)
No. 5 Starter: Logan Evans (27)
Closer: Andres Munoz (29)

Listed below are the prospects with the best tools within the organization. To go directly to Seattle Top 10, click here.

Best Tools

Best Hitter for Average: Colt Emerson
Best Power Hitter: Lazaro Montes
Best Strike-Zone Discipline: Harry Ford
Fastest Baserunner: Jonny Farmelo
Best Athlete: Harry Ford
Best Fastball: Hunter Cranton
Best Curveball: Logan Evans
Best Slider: Brock Moore
Best Changeup: Ryan Sloan
Best Control: Reid VanScoter
Best Defensive Catcher: Jake Anchia
Best Defensive Infielder: Ben Williamson
Best Infield Arm: Josh Hood
Best Defensive Outfielder: Rhylan Thomas
Best Outfield Arm: Tai Peete