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D-backs Announce 2015 Player Development Staff

The Arizona Diamondbacks named the organization’s 2015 Player Development staff, as announced by D-backs Director, Player Development Mike Bell.

Ralph Freso/Getty Images

The D-backs, in 2015, will be in their seventh season with the Triple-A Reno Aces, ninth season with the Double-A Mobile BayBears and Single-A Advanced Visalia Rawhide, first with Single-A Kane County Cougars, third with the Short-Season A Hillsboro Hops, 17th with the Rookie-Advanced Missoula Osprey, fifth with the Rookie Arizona League (AZL) D-backs and 20th with the Dominican Summer League (DSL) D-backs.

The D-backs return all 6 of their coordinators and 22 members of the affiliate coaching staffs from last season when they were a combined 473-365 and their .564 winning percentage was second-best behind Texas (.565). The affiliates set a franchise record with 4 full-season clubs in the postseason and tied a club mark with 5 playoff teams (also 2012). Hillsboro won the Northwest League championship while Reno and Visalia lost their respective finals in the deciding game.

Two members of last year's staff were promoted to the Major League club. Andy Green, who won back-to-back Southern League Manager of the Year honors at Mobile in 2013-2014, will serve as the D-backs Third Base Coach. Mark Grace, who was the hitting coach for Hillsboro last season, will work as the D-backs Assistant Hitting Coach.

A pair of managers received promotions as Robby Hammock will be at the helm of Mobile (from Visalia) while J.R. House will manage Visalia (from Hillsboro). The D-backs will have 4 first-time managers in the system with Mark Grudzielanek at Kane County, Shelley Duncan at Hillsboro, Joe Mather at Missoula and Mike Benjamin at AZL D-backs. The organization is also adding an additional coaching position at Reno and a roving coach to work with the other affiliates.

Grudzielanek, 44, spent 15 years in the Major Leagues with the Montreal Expos (1995-98), Los Angeles Dodgers (1998-2002), Chicago Cubs (2003-04), St. Louis Cardinals (2005) under Tony La Russa, Kansas City Royals (2006-08) and Cleveland Indians (2010). In 1,802 career games, the infielder hit .289 (2,040-for-7,052) with 391 doubles, 36 triples, 90 homers and 640 RBI.

Duncan, 35, has recently been working with his alma mater University of Arizona as an undergraduate assistant. He was with the D-backs in Spring Training last season as a non-roster invitee and finished his 7-year Major League career having played in 330 games. His father, Dave, is a D-backs Special Assistant to the General Manager & Pitching Consultant.

Mather, 32, is a Phoenix resident and attended high school at Mountain Pointe in Ahwatukee. He spent parts of 4 seasons in the Majors (2008, 2010-12), appearing in 229 career games, and played for current-D-backs Chief Baseball Officer and then-St. Louis Cardinals Manager Tony La Russa in 2008 and 2010.

Benjamin, 48, played parts of 13 seasons in the Majors from 1989-2000 and 2002. He has served as an assistant coach for Arizona State University baseball since 2010. He played for the Sun Devils in 1986-87, earning First-Team All-America and All-Pac-10 honors while also helping lead the team to the College World Series in 1987. He was inducted into the Arizona State University Hall of Fame in 2011.

Senior Vice President, Baseball Operations

De Jon Watson

Director, Player Development

Mike Bell

Assistant, Player Development

T.J. Lasita

Senior Coordinator, Minor League Administration

Shawn Marette

Field/Infield Coordinator

Tony Perezchica

Manual Performance Coordinator

Kyle Torgerson

Pitching Coordinator

Dan Carlson

Rehab Coordinator


Hitting Coordinator

Chris Cron

Strength Coordinator

Vaughn Robinson

Outfield/Baserunning Coordinator

Joel Youngblood

Complex Coordinator

Bob Bensinger

Catching Coordinator

Bill Plummer

Clubhouse Assistant

Mike Young

Roving Coach

Audo Vicente

Clubhouse Assistant

James Cameron

Coordinator, Latin American Ops

Hatuey Mendoza

Video Coordinator

Jim Currigan

Medical Coordinator

Andrew Hauser

Hillsboro Consultant

Ben Petrick

Assistant Medical Coordinator

Paul Porter


Reno Aces

Mobile BayBears

Single-A Advanced
Visalia Rawhide

Kane County Cougars


Phil Nevin

Robby Hammock

J.R. House

Mark Grudzielanek

Pitching Coach

Mike Parrott

Wellington Cepeda

Gil Heredia

Doug Bochtler

Hitting Coach

Greg Gross

Jason Camilli

Jonathan Mathews

Vince Harrison


Luis Urueta





Joe Metz

Masa Abe

Chad Moeller

Rafael Freitas


Mike Schofield

Matt Tenney

Skyler Zarndt

Sean Light

Clubhouse Manager

Jonathan Sanchez

Dustin Hann

Steven Ramos

Scott Anderson


Short-Season A
Hillsboro Hops

Missoula Osprey

Arizona League D-backs


Shelley Duncan

Joe Mather

Mike Benjamin

Pitching Coach

Doug Drabek

Jeff Bajenaru

Larry Pardo

Hitting Coach

Javier Colina

Tack Wilson

Jacob Cruz






Ryne Eubanks

Chris Schepel

Eddie Nungesser


Dave Harrigan

Steven Candelaria

Jeremy Fradin

Clubhouse Manager





Dominican Summer League
Boca Chica D-backs

Field Coordinator

Wil Tejada


Juan Ballara

Pitching Coach

Jose Tapia

Asistant Pitching Coach

Manny Garcia

Hitting & Outfield Coach

Rolando Arenado

Infield Coach

Elvis Pena

Catching Coach

Sergio Mendez


Carlos Perez

Assistant Trainer

Edgar Soto

Video & Administrative Assistant

Jose Diaz


Marcos Rosa