NBA Official

NBA Referee Assignments

December 14, 2025

Referee assignments are posted at approximately 9:00am ET each game day.

Game Crew Chief Referee Umpire Alternate
Washington @ Indiana Tony Brothers (#25) Eric Dalen (#37) John Conley (#56)
Philadelphia @ Atlanta Gediminas Petraitis (#50) Ashley Moyer-Gleich (#13) Tyler Ricks (#95)
Charlotte @ Cleveland Nick Buchert (#3) Rodney Mott (#71) Michael Smith (#38)
Milwaukee @ Brooklyn JB DeRosa (#14) Dedric Taylor (#21) Matt Myers (#43)
Sacramento @ Minnesota Curtis Blair (#74) Mark Lindsay (#29) Matt Kallio (#53)
Golden State @ Portland Mitchell Ervin (#27) Mousa Dagher (#28) JT Orr (#72)
New Orleans @ Chicago John Goble (#10) Justin Van Duyne (#64) Simone Jelks (#81)
L.A. Lakers @ Phoenix Tyler Ford (#39) Scott Twardoski (#52) Jenna Schroeder (#20)

Replay Center: Biniam Maru, Courtney Kirkland, Pat Fraher

G League Referee Assignments

December 14, 2025

Referee assignments are posted at approximately 9:00am ET each game day.

Game Crew Chief Referee Umpire Alternate
Raptors 905 @ Maine Marcy Williams (#72) Ryo Hasebe (#8) Jacob Budnik (#32)
Iowa @ Wisconsin Klajdi Mulla (#97) Ashley Birch (#16) Jacob Lear (#53)
Delaware @ Capital City Agon Abazi (#7) Italo Araujo (#19) Ian McClenny (#59)
Greensboro @ College Park Jenna Reneau (#77) Erik Aellig (#4) Bobby Bissant III (#58)
Memphis @ Osceola CP Painter (#66) Julian Scott (#61) JP Primm (#64)
Rio Grande Valley @ Birmingham Gerda Gatling (#24) Clare Simmons (#14) Quincy Smith (#39)
Windy City @ Noblesville Brent Haskill (#34) Billy McClatchy (#31) Joe Prince (#78)
Santa Cruz @ San Diego Nate Cearley (#26) Catherine Chang (#30) Jason Alabanza (#10)

Crew Chief Position

  • Proficient in Referee and Umpire positions
  • Leader of the crew, on and off the floor
  • High-level play calling, partnering skills, and tools for handling any game situation, including interpersonal communication
  • Understands the importance of extending into their secondary area of coverage, with accuracy

Referee Position

  • Proficient in all Umpire position requirements
  • Effectively the glue for a crew through consistency, teamwork, and communication - makes partners better by carrying a larger portion of the crew’s load than an Umpire
  • Capable of handling some plays in secondary area of coverage
  • Ability to recognize and appropriately manage shifts in game conditions (intensity, emotions, decorum, style of play etc.)

Umpire Position

  • Aggressively and accurately calls plays in the primary area of responsibility
  • Responsible for basic mechanics including rotations, positioning and clock and team foul awareness
  • Strong rules knowledge coupled with contributions to in-game discussions/issues regarding adjudication