NBA Official

NBA Referee Assignments

February 1, 2026

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

Game Crew Chief Referee Umpire Alternate
Milwaukee @ Boston James Capers (#19) Kevin Cutler (#34) Danielle Scott (#87)
Orlando @ San Antonio John Goble (#10) Nate Green (#41) Dannica Baroody (#89)
Brooklyn @ Detroit Marc Davis (#8) Jonathan Sterling (#17) Derrick Collins (#11)
Chicago @ Miami Karl Lane (#77) Justin Van Duyne (#64) JD Ralls (#80)
Utah @ Toronto Nick Buchert (#3) Ray Acosta (#54) Sha'Rae Mitchell (#98)
Sacramento @ Washington Tyler Ford (#39) Pat Fraher (#26) Pat O'Connell (#90)
L.A. Lakers @ New York Zach Zarba (#15) Jacyn Goble (#68) Che Flores (#91)
LA Clippers @ Phoenix Scott Foster (#48) Mark Lindsay (#29) Simone Jelks (#81)
Cleveland @ Portland Tony Brothers (#25) Ashley Moyer-Gleich (#13) John Conley (#56)
Oklahoma City @ Denver Mitchell Ervin (#27) Tre Maddox (#23) Brandon Schwab (#86)

Replay Center: Brandon Adair, CJ Washington, Intae Hwang, Matt Myers

G League Referee Assignments

February 1, 2026

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

Game Crew Chief Referee Umpire Alternate
Westchester @ Maine Klajdi Mulla (#97) Gina Catanzariti (#5) Ajay Gonnelli (#62)
Birmingham @ Noblesville Italo Araujo (#19) Kastine Evans (#11) Ian McClenny (#59)
Rio Grande Valley @ Oklahoma City Catherine Chang (#30) Austin Spiker (#43) Evan Singletary (#65)
Delaware @ Valley Matt Kallio (#17) Erica Parker (#49) Quincy Smith (#39)
Sioux Falls @ Texas Aaron Smith (#85) Julian Scott (#61) Kenneth Gardner (#75)
Memphis @ Motor City Sarah Williams (#20) Lars Murray (#35) Maripier Malo (#70)
Rip City @ Mexico City Tyler Mirkovich (#41) Blanca Burns (#22) Omar Bermudez (#27)

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