Williams Jerez Portland Sea Dogs  |  Pitcher

     
 













Jerez Video

Age: 24
Born: May 16, 1992
Brooklyn, NY
Height: 6-4
Weight: 190
Bats: Left
Throws: Left
Drafted: 2nd round, 2011
How Acquired: Draft
High School: Grand Street Campus (NY)

Photo © William Parmeter

SoxProspects.com Links
2012 Prospect Preview
Adjustment for Jerez takes many forms (3.29.12)
2013 Prospect Preview
Scouting Scratch: Fall Instructs Part One (10.8.14)
2015 Top 40 Season in Review

Physical Description: Tall left-hander with a long, athletic frame. Has ideal pitcher's frame and the body to add weight as he physically matures into his mid-twenties. "Looks the part."

Mechanics: Throws from a three-quarters arm slot, with surprisingly solid mechanics for a converted position player. Starts closed with hands by his chest. Has a high leg lift and turns his body before coming forward, which adds deception. Arm action works. Short behind. Repeatable delivery.

Fastball: 90-93 mph. Tops out at 95 mph. Velocity ticks down in second inning of work to 88-90 mph. Pitch has shown bat-missing potential. Pitch shows late sink and life. Average control, but needs to improve command. Potential above-average offering.

Slider: 81-85 mph. Shows short, hard break. Has feel for and confidence in the pitch. Has shown the ability to bury it down-and-in to righties when ahead in the count. Potential average offering.

Changeup: 82-84 mph. Inconsistent and straight. Throws sparingly. Clear third offering that doesn’t project to be more than a show-me pitch. Well below-average potential.

Career Notes: Drafted as an outfielder and spent three years struggling mightily at the plate before converting to pitching during Spring Training 2014. Had prior experience pitching while growing up in the Dominican Republic. Moved to Brooklyn from the Dominican Republic at age 17 with his family.

Summation: Projects as a fringe, situational reliever. Ceiling of a solid middle reliever. Needs to improve command and consistency with secondary offerings. Has really taken to pitching and shown surprising feel for a converted position player. Has shown a strong work ethic and solid makeup. Stuff regressed somewhat during the 2016 season compared to 2015. Still missing bats, but command issues make him hittable.

 
   
  Pitching Stats                                          
  year team lg level org age w l % era g gs sv ip h r er hr bb so whip k/bb k/9
  2014 GCL Red Sox GCL Rk Bos 22 3 1 0.750 2.22 9 0 1 24.3 20 8 6 0 5 27 1.03 5.40 9.99
2014 Lowell NYPL A- Bos 22 1 1 0.500 4.50 5 0 0 10.0 13 6 5 0 6 13 1.90 2.17 11.70
  2015 Greenville SAL A Bos 23 3 1 0.750 2.06 14 0 3 39.1 43 16 9 3 10 43 1.38 4.30 9.84
  2015 Salem Car A+ Bos 23 1 0 1.000 0.73 5 0 0 12.3 11 2 1 0 4 12 1.22 3.00 8.76
  2015 Portland East AA Bos 23 1 2 0.333 3.65 22 0 1 37.0 34 15 15 2 17 31 1.38 1.82 7.54
  2016 Portland East AA Bos 24 1 6 0.143 4.71 40 0 0 65.0 70 35 34 6 30 65 1.54 2.17 9.00
   
 
  Hitting Stats                                          
  year team lg level org age g ab r h 2b 3b hr rbi tb bb so sb cs avg obp slg ops
  2011 Grand Street HS HS --- 19 --- 52 36 31 9 6 5 32 67 --- --- 26 --- 0.692 0.758 1.385 2.143
  2011 GCL Red Sox GCL Rk Bos 19 32 129 12 32 2 3 0 12 40 6 33 5 3 0.248 0.285 0.310 0.595
  2012 Lowell NYPL A- Bos 20 23 83 6 20 3 0 0 5 23 3 13 3 1 0.241 0.276 0.277 0.553
  2013 Lowell NYPL A- Bos 21 38 119 6 21 5 1 0 8 28 3 23 4 1 0.176 0.203 0.235 0.439
   
  Additional Player Info  
  Pronunciation: her-EZZ
First Pro Contract:
July 12, 2011 by Ray Fagnant
Signing Bonus: $443,700
MiLB Debut: July 16, 2011 (GCL)
MLFA Eligible: N/A
Rule 5 Draft Eligible: N/A
Added to 40-man: November 20, 2015
MLB Debut:
-
MLB Service Time (through 2016):
-
Options Remaining
: 2 (2016)
Contract (2016): $507,500
Trade Restrictions
: -
     
  Awards
Red Sox Minor League Relief Pitcher of the Month (June 2015)
2015 Red Sox Minor League Pitcher of the Year
2016 Eastern League All-Star
SoxProspects.com Awards
2015 SoxProspects.com All-Star
2016 SoxProspects.com Pre-Season All-Star

 

  

 
 

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