The officials for the #UFC251 title fights:
— Kevin Iole (@KevinI) July 11, 2020
Usman-Masvidal: Ref Marc Goddard; Judges Ben Cartlidge, Mark Collett, David Lethaby
Volkanovski-Holloway: Ref Herb Dean; Judges Collett, Lethaby, Clemens Werner
Yan-Aldo: Ref Leon Roberts; Judges Cartlidge, Lethaby, Lukasz Bosaki