2015 JAVIER Seattle Mariners 25 and under Prospect List

A pursuit of mine has been to find how well minor league statistics translate to the major leagues. During this pursuit I created a comparison system called JAVIER that finds how well other players with similar minor league statistics have done in their careers. After recently adding pitching to a previously hitting-only system, I thought it would be fun to create a top-25 list of all players age 25 or younger for each team. These lists are based only on minor league statistics and nothing else. I am by no means a stats-only person and will not form a decision about a player until reading a scouting report (Baseball Prospectus has a trove of scouting information). However, I can’t add anything to the scouting community, so I do whatever I can and analyze the numbers instead. You can read all about the inner workings of JAVIER and download the data for yourself at Beyond the Boxscore. I will do my best to find all players currently in the franchise, but I may miss a few here and there.

In order to qualify for this list, pitchers must have at least 100 innings pitched and hitters 500 plate appearances in the minors.

View other teams 25 and under list here.

Top 25

Name High Level 2014 Age Pos IP PA JAVIER JAVIER Category
Taijuan Walker MLB 21 RHP 454 3.82 Elite
Brad Miller MLB 24 SS 999 3.39 Good
James Paxton MLB 25 LHP 360 2.79 Good
Brandon Maurer MLB 23 RHP 388.9 2.55 Good
Ji-Man Choi AAA 23 1B 1298 2.54 Good
Danny Hultzen AAA 24 LHP 159.7 2.50 Good
Chris Taylor MLB 23 SS 1183 2.43 Good
Jabari Blash AAA 24 RF 1793 2.07 Good
Dario Pizzano AA 23 LF 1271 1.99 Elite
Blake Beavan MLB 25 RHP 584 1.97 Average
Erasmo Ramirez MLB 24 RHP 498.6 1.84 Average
James Jones MLB 25 CF 2244 1.56 Average
Daniel Paolini AA 24 1B 1732 1.32 Good
Stefen Romero MLB 25 RF 1589 1.26 Average
Denny Almonte AAA 25 CF 2871 1.09 Average
Anthony Fernandez AAA 24 LHP 463 1.08 Average
Roenis Elias MLB 25 LHP 331.6 1.04 Average
Jordan Pries AAA 24 RHP 380.4 0.95 Average
Stephen Landazuri AA 22 RHP 349.7 0.90 Average
Tyler Pike AA 20 LHP 271.3 0.89 Average
Patrick Kivlehan AA 24 3B 1453 0.84 Average
Jabari Henry A+ 23 LF 1194 0.73 Good
Julio Morban AAA 22 RF 1455 0.72 Average
Victor Sanchez AA 19 RHP 323 0.72 Average
Tyler Smith AA 22 SS 812 0.64 Average

Missing prospects

Here are the JAVIER results for some names you might be looking for that did not make it onto the top-25 list. Some might not have enough minor league experience, others just might be prospects that have not produced in the minor leagues.

Name High Level 2014 Age Pos IP PA JAVIER JAVIER Category
Mike Zunino MLB 23 C 419 1.23 Average
Luiz Gohara A- 17 LHP 71.7 0.81 Elite
Edwin Diaz A 20 RHP 204.3 0.61 Good
Ryan Yarbrough A- 22 LHP 42.7 0.43 Good
Austin Cousino A- 21 CF 309 0.35 Average
D.J. Peterson AA 22 3B 777 0.21 Bad
Dan Altavilla A- 21 RHP 66 0.19 Average
Xavier Avery MLB 24 LF 2936 0.14 Bad
Tyler O’Neill A 19 LF 374 0.13 Bad
Alex Jackson Rk 18 RF 94 0.05 Bad
Jordy Lara AA 23 1B 1480 0.03 Bad
Gabriel Guerrero A+ 20 RF 1590 0.03 Bad
Greifer Andrade FRk 17 SS 119 -0.02 Terrible
Austin Wilson A 22 RF 534 -0.03 Terrible
Carson Smith MLB 24 RHP 155 -0.03 Terrible
Ketel Marte AAA 20 SS 1598 -0.05 Terrible
Timothy Lopes A+ 20 2B 1091 -0.05 Terrible
Tyler Marlette AA 21 C 936 -0.07 Terrible
Lars Huijer A+ 20 RHP 243 -0.11 Terrible
Gareth Morgan Rk 18 CF 178 -0.14 Terrible
Dominic Leone MLB 22 RHP 97 -0.44 Terrible
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