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2021 Seattle Mariners Top MLB Prospects



By Bill Mitchell

After years of languishing toward the bottom of the organizational rankings, the Mariners have spent the last two seasons building up their farm system through high draft picks, excellent international signings and shrewd trades. The top two prospects in the system—outfielders Julio Rodriguez and Jarred Kelenic—rank among the very best prospects in the sport.

Today, we unveil the 10 best prospects in their system entering 2021. 

We will chat Mariners prospects at 3 p.m. ET. You can submit your questions here.

Here's how we project their lineup in 2024, with their 2024 age in parentheses. 

Catcher: Cal Raleigh (27)
First Base: Evan White (28)
Second Base: Dylan Moore (31)
Third Base: Noelvi Marte (22)
Shortstop: J.P. Crawford (29)
Left Field: Jarred Kelenic (24)
Center Field: Kyle Lewis (28)
Right Field: Julio Rodriguez (23)
Designated Hitter: Ty France (29)

No. 1 Starter: Marco Gonzales (32)
No. 2 Starter: Logan Gilbert (27)
No. 3 Starter: Emerson Hancock (25)
No. 4 Starter: Justus Sheffield (28)
No. 5 Starter: George Kirby (26)
Closer: Andrés Muñoz (25)

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

Best Hitter for Average: Jarred Kelenic
Best Power Hitter: Julio Rodriguez
Best Strike-Zone Discipline: Zach DeLoach
Fastest Baserunner: Jonatan Clase
Best Athlete: Jarred Kelenic
Best Fastball: Logan Gilbert
Best Curveball: Brandon Williamson
Best Slider: Emerson Hancock
Best Changeup: Levi Stoudt
Best Control: George Kirby
Best Defensive Catcher: Cal Raleigh
Best Defensive Infielder: Donnie Walton
Best Infield Arm: Milkar Perez
Best Defensive Outfielder: Luis Liberato
Best Outfield Arm: Julio Rodriguez




Jose Bautista Dominican Johncordesgetty

2021 Dominican Republic Olympic Qualifying Roster

Dominican Republic roster for the Americas Qualifier, led by veteran outfielders Jose Bautista and Melky Cabrera and Mariners minor league outfielder Julio Rodriguez

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