Matteo Marcenaro will referee Fiorentina v Udinese, scheduled for Monday 23 December at 18:30, at the Stadio Artemio Franchi.
He has only refereed one Udinese game before, Sassuolo 1-1 Udinese on 7 May 2022.
He has refereed Fiorentina on four occasions, with the Viola recording three victories and one defeat.
Referee: Marcenaro
Assistants: Bindoni, Tegoni
Fourth Official: Cosso
VAR: Pezzuto, Maresca