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White Sox announce their 2024 player development staff

by Matt Cotner

The White Sox have announced their minor-league player development staff for the 2024 season. This is the first staff that Paul Janish will oversee as the newly named director of player development.

There is little change amongst the managers of the minor league clubs. Justin Jirschele (Triple-A Charlotte), Sergio Santos (Double-A Birmingham), Guillermo Quiroz (High-A Winston-Salem), Patrick Leyland (Low-A Kannapolis), and Danny González (Arizona Complex League Sox) will serve for their corresponding teams in 2024. Jirschele, Quiroz, Leyland, and González all return to their managerial posts following the 2023 season.

The sole managerial change is in Double-A Birmingham, where Sergio Santos will take the lead. Santos pitched for the White Sox in 2010 and 2011, amassing 115 IP over the two seasons, with ERAs of 2.96 and 3.55, respectively. After his tenure with the White Sox, he pitched for the Blue Jays, Dodgers, and Yankees. Since then, he has spent two years managing in the New York Yankees minor league system.

­­As for the new director of player development, Janish seems to feel optimistic about the group. “I am extremely excited to work with this talented group of managers, coaches, coordinators, and staff that has been assembled for the 2024 season,” said Janish. “Our entire staff has been working all off-season to ensure our players will be ready to hit the ground running for mini camps, spring training, and into the regular season. The ultimate goal remains to have our players prepared and ready to contribute at the major-league level, and we believe this staff is well-equipped to help all of our players reach his full potential. I am excited to get our full staff together at our complex and on the field to begin fully implementing our programs with the players in our organization.”

Returning coordinators include Doug Sisson (field), Matt Zaleski (pitching), Ryan Newman (infield) and Julio Mosquera (catching). Former White Sox major-league bullpen coach Curt Hasler will also join Donnie Veal as an assistant pitching coordinator.

Below are the full White Sox player development assignments for 2024:

Player Development Staff

  • Director of Player Development: Paul Janish
  • Director of Minor League Administration: Kathy Potoski
  • Assistant Director, Baseball Operations: Graham Harboe
  • Manager, Player Development/International Operations: Grant Flick
  • Assistant, Player Development/Video: Jack Larimer
  • Manager, Player Development Latin America Operations: Louis Silverio
  • Manager, International Player Development/Education: Erin Santana

Player Development Instructors/Rovers

  • Field Coordinator: Doug Sisson
  • Assistant Field Coordinator: Justin Jirschele
  • Pitching Coordinator: Matt Zaleski
  • Assistant Pitching Coordinator: Curt Hasler
  • Assistant Pitching Coordinator: Donnie Veal
  • Pitching Advisor: J.R. Perdew
  • Hitting Coordinator: Alan Zinter
  • Assistant Hitting Coordinator: Danny Santin
  • Infield Coordinator: Ryan Newman
  • Catching Coordinator: Julio Mosquera
  • Assistant Outfield/Baserunning Coordinator: Mike Daniel
  • Rehab Pitching Coach: Hiram Burgos
  • Hitting Initiatives: Devin DeYoung
  • Biomechanist: Jason Hashimoto

Medical Staff

  • Medical Coordinator: Scott Takao
  • Physical Therapy Coordinator: Brooks Klein
  • Performance Coordinator: Gage Crosgrove
  • Assistant Performance Coordinator: Sergio Rojas
  • Physical Therapist/Athletic Trainer: Katie Stone
  • Physical Therapist: Evan Jurjevic
  • Sports Psychologist: Dr. Rob Seifer

Arizona Operations

  • Facility Manager: Joe Lachcik
  • Minor League Clubhouse Manager: Dan Flood
  • Assistant Minor League Clubhouse Manager: Bryant Biasotti

Triple-A Charlotte Knights

  • Manager: Justin Jirschele
  • Pitching Coach: R.C. Lichtenstein
  • Hitting Coach: Cam Seitzer
  • Bench Coach: Pat Listach
  • Trainer: Hyeon Kim
  • Performance Coach: George Timke

Double-A Birmingham Barons

  • Manager: Sergio Santos
  • Pitching Coach: John Ely
  • Hitting Coach: Nicky Delmonico
  • Bench Coach: Ángel Rosario
  • Trainer: Carson Wooten
  • Performance Coach: Juan Maldonado


  • Manager: Guillermo Quiroz
  • Pitching Coach: John Kovalik
  • Hitting Coach: Jim Rickon
  • Bench Coach: Darius Day
  • Trainer: A.J. Smith
  • Performance Coach: Logan Jones


  • Manager: Patrick Leyland
  • Pitching Coach: Blake Hickman
  • Hitting Coach: Charlie Romero
  • Bench Coach: Daniel Milwee
  • Trainer: Chaerin Yeom
  • Performance Coach: Donovan Clark


  • Manager: Daniel González
  • Pitching Coach: Jacob Dorris
  • Hitting Coach: Gerardo Olivares
  • Assistant Hitting Coach: Mike Gellinger
  • Development Coach: Nausel Cabrera
  • Trainer: Jeremy Kneebusch
  • Performance: Siera Weathers


  • Field Coordinator: Julio Bruno
  • Manager, Complex Operations: Wellington Morrobel
  • Manager, Administration: Carolina Santos
  • Manager: Anthony Núñez
  • Pitching Coach: José Brito
  • Assistant Pitching Coach: Stolmy Pimentel
  • Infield Coach: Guillermo Reyes
  • Assistant Hitting Coach/Catching Coach: Moisés Núñez
  • Coach: Ángel González
  • Trainer: Gustavo De La Cruz
  • Assistant Trainer: Estarlin Rosario
  • Performance Coach: Fran Batista
  • Assistant Performance Coach: Carlos Javier
  • Video Coordinator: Miguel Perez
  • Lead Educator: Pablo Frías
  • Education Assistant: Luis Villar

For more updates, be sure to follow us on social media @SoxOn35th!

Featured Photo: Laura Wolff Photography

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Most of these people are former failed Sox prospects or people with ties to Ebenezer Reinsdorf.

Until there is new ownership and a major housing cleaning is done, Sox farm system will be nothing but a giant pile of excrement.

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