Miami Marlins Draft Prospect: Pitcher Kumar Rocker

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ALEXANDRIA, VA - JUNE 19: (EDITOR'S NOTE: Image was created as an Equirectangular Panorama. Import image into a panoramic player to create an interactive 360 degree view.) This 360 degree picture was photographed from behind home plate near the position where gunman James Hodgkinson opened fire at the Eugene Simpson Stadium Park, seriously wounding House Majority Whip Rep. Steve Scalise, June 19, 2017 in Alexandria, Virginia. Investigators have concluded their investigation at the shooting scene and the area has been reopened to the public. (Photo by Alex Wong/Getty Images)
ALEXANDRIA, VA - JUNE 19: (EDITOR'S NOTE: Image was created as an Equirectangular Panorama. Import image into a panoramic player to create an interactive 360 degree view.) This 360 degree picture was photographed from behind home plate near the position where gunman James Hodgkinson opened fire at the Eugene Simpson Stadium Park, seriously wounding House Majority Whip Rep. Steve Scalise, June 19, 2017 in Alexandria, Virginia. Investigators have concluded their investigation at the shooting scene and the area has been reopened to the public. (Photo by Alex Wong/Getty Images) /
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Overall: 55

Rocker is an elite talent on the mound. He is very athletic and has great body control. He has an easy, repeatable delivery which means he does not need to overthrow to pick up velocity on his fastball.

The depth and run on Rocker’s fastball are impressive and he shows the ability to locate well. At times when he has failed to locate properly, he shows the ability to adjust his mechanics from pitch to pitch.

He has a solid three-pitch arsenal and just as many other pitchers his age, gaining consistency will be key in determining what type of pitcher he will be.

MLB Comparison: Michael Fulmer

DETROIT, MI – MAY 02: Michael Fulmer #32 of the Detroit Tigers throws a first inning pitch while playing the Tampa Bay Rays at Comerica Park on May 2, 2018 in Detroit, Michigan. (Photo by Gregory Shamus/Getty Images)
DETROIT, MI – MAY 02: Michael Fulmer #32 of the Detroit Tigers throws a first inning pitch while playing the Tampa Bay Rays at Comerica Park on May 2, 2018 in Detroit, Michigan. (Photo by Gregory Shamus/Getty Images) /

Both pitchers feature a fastball, slider, changeup combination. They both go to their mid-90s fastball often and use a sharp slider as their secondary pitch.

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