2015 Miami Marlins Top 15 prospects

Organization grades:

Hitting: C ... Pitching: C ... Top End Talent: C+ ... Depth: C- ... Overall: C


Minor League Affiliates:

Triple-A: New Orleans (PCL)
Double-A: Jacksonville (SL)
High-A: Jupiter (FSL)
Low-A: Greensboro (SAL)
Short-season: Batavia (NYPL)


1. Tyler Kolek (RHP) … 6-5, 260 … 19 … 2014 (1) HS, TX

Comments:  Strong and thick-bodied high schooler from Texas was the 2nd overall pick in the 2014 draft. Kolek is surprisingly mature physically for an 18-year-old, and possessed the best velocity in the draft class. Prior to the draft, Kolek was routinely clocked at 100 mph and maxed out at 102 mph. In the GCL his fastball was more frequently in the 92-94 mph range, though he was still able to hit 98 at times. Fastball also has good...

Almost!

You’re just a few clicks away from accessing this feature and hundreds more throughout the year that have a singular goal in mind: Winning your league. Subscribe to BaseballHQ.com here!

Already a subscriber? Sign in here

More From Org Reports

Our prospect lists for 2026 — Organization Reports for each of the 30 MLB clubs — are back this week! Here's a primer on what to expect for the next six weeks.
FREE
Dec 1 2025 3:01am
Move over Noah Schultz, there is a new top White Sox Prospect in town. Who is it? Find out inside.
Dec 19 2025 3:01am
In Carter Jensen and Blake Mitchell, the Royals have two of the Top 10 catching prospects in baseball.
Dec 18 2025 3:01am
With middling talent in the majors, the Twins should soon have some exciting young talent taking over.
Dec 17 2025 3:05am
Kevin McGonigle leads the deep prospect haul of the Detroit Tigers.
Dec 16 2025 3:01am
The Guardians have stockpiled a vast array of hitting prospects with a few expected to make a near-term impact.
Dec 15 2025 7:33am

Tools