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LL’s Top Mariners Prospects 2020: The Full List

In table form, the full list of prospects for this preseason list.

By John Trupin, Kate Preusser, and Joe E. Doyle
MLB: Seattle Mariners-Media Day Jerome Miron-USA TODAY Sports

As Kate noted at the outset of these rankings, what a difference a year can make. The group of 50 Mariners below includes over a dozen players scarcely in consideration a year ago, and excludes a few who could easily shoot up these rankings by next year. With the season slated to start late, it’s hard to know what impact there will be on many of these players, so we’ve simply had to focus on the information that we have.

The full list below includes a few players rated out of order, in terms of number grades, which is typically addressed directly or generally in the writeups themselves. Generally, variance/distance from the majors/injury risks push higher-potential players down and likelihood of making the bigs in some way/shape/form will be a separating factor there, but particularly in the 25-50 range there is a great degree of interchangability that could be argued, and I would hear arguments for many of the players elsewhere. This list looks quite different at points than our personal rankings, but it was, as always, a joy to put it together for y’all, and we hope you’ve enjoyed it.

LL Preseason 2020 Prospect List

Rank Player Position Overall Hit Raw Power Game Power Speed Glove Arm Fastball Changeup Curveball Slider Command
Rank Player Position Overall Hit Raw Power Game Power Speed Glove Arm Fastball Changeup Curveball Slider Command
1 Jarred Kelenic OF 60 60 60 55 60 60 60
2 Julio Rodriguez OF 60 55 70 60 45 50 60
3 Logan Gilbert RHP 60 65 55 55 50 60
4 Evan White 1B 55 55 55 55 55 70 55
5 George Kirby RHP 55 60 50 55 50 65
6 Kyle Lewis OF 50 45 60 55 50 50 55
7 Noelvi Marte SS 50 50 60 55 60 45 55
8 Brandon Williamson LHP 50 55 50 55 50 50
9 Justin Dunn RHP 50 55 50 45 55 45
10 Justus Sheffield LHP 50 55 55 N/A 60 45
11 Cal Raleigh C 50 45 60 55 40 55 55
12 Jake Fraley OF 50 55 55 50 60 55 45
13 Juan Then RHP 50 60 50 N/A 50 50
14 Sam Carlson RHP 45 60 55 N/A 50 55
15 Isaiah Campbell RHP 45 60 50 45 55 50
16 Braden Bishop OF 45 45 40 35 65 70 50
17 Sam Delaplane RHP 45 55 N/A N/A 60 55
18 Art Warren RHP 45 65 35 55 50 40
19 Aaron Fletcher LHP 45 55 45 N/A 55 50
20 Austin Shenton 3B 45 50 50 45 45 45 45
21 Joey Gerber RHP 45 65 N/A N/A 55 45
22 Dayeison Arias RHP 45 60 N/A N/A 55 50
23 Donavan Walton SS/2B 45 45 40 35 50 55 50
24 Wyatt Mills RHP 45 55 N/A N/A 60 45
25 Joe Rizzo 3B/2B 45 55 45 50 45 45 50
26 Jonatan Clase OF 45 50 40 35 70 50 50
27 Ljay Newsome RHP 45 50 45 N/A 55 65
28 Taylor Guilbeau LHP 45 55 50 N/A 55 45
29 Jack Anderson RHP 45 45 N/A N/A 55 50
30 Devin Sweet RHP 45 45 55 N/A 45 55
31 George Feliz OF TBD TBD TBD TBD TBD TBD TBD
32 Dom Thompson-Williams OF 45 40 60 50 55 50 50
33 José Corniell RHP 45 50 40 50 N/A 45
34 Damon Casetta-Stubbs RHP 45 55 40 N/A 55 45
35 Bobby Honeyman 3B 40 50 40 35 45 55 55
36 Penn Murfee RHP 45 45 50 N/A 55 55
37 Eric Filia 1B/OF 40 60 40 40 40 40 45
38 Ray Kerr LHP 45 60 60 N/A 50 40
39 Luis Liberato OF 40 40 40 35 55 60 60
40 Jake Anchía C 40 30 55 45 35 55 60
41 Juan Querecuto SS 40 45 35 30 50 55 65
42 Jose Caballero 2B 40 45 35 30 50 50 50
43 Brayan Perez LHP 45 50 40 55 N/A 50
44 Mike Limoncelli RHP 45 50 40 55 N/A 50
45 Anthony Misiewicz LHP 45 45 45 55 N/A 50
46 Carter Bins C 45 40 45 40 40 55 60
47 Arturo Guerrero OF 40 40 50 40 55 50 50
48 Kristian Cardozo RHP TBD TBD TBD TBD TBD TBD
49 Keegan McGovern OF 40 40 60 55 40 45 45
50 Nicholas Zammarelli III 1B/OF 35 40 50 45 40 35 40
Grades on the 20-80 scouting scale

For those of you interested in reading the individual player profiles, the complete stream can be found here, including our “Just Missed” category. Additionally, we’ve just kicked off our fully prospects-focused podcast, “They Might Be Mariners”, which will have its second episode released this week. That podcast will be released in the normal Lookout Landing Podcast feed via the Podcasts app/iTunes/Stitcher/etc., so if you’re already subscribed and downloading (and please do, it directly supports us!) you can find it there! If you haven’t, have a listen here!

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LL’s Top 50 Mariners Prospects 2020

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