MILAN – Daniele Orsato is the designated referee for Fiorentina-Milan this evening.He will be assisted by Elenito Di Liberatore (Teramo) and Gianluca Cariolato (Legnago). The fourth official will be Walter Giachero (Pinerolo) while the additional assistants are Paolo Valeri (Roma) and Piero Giacomelli (Trieste).