Valerio Crezzini has been appointed to officiate the matchday four Serie A fixture between Napoli and Pisa, scheduled for Monday, 22 September at 20:45. His assistant referees will be Alessandro Costanzo and Vito Mastrodonato.
Gianluca Manganiello will be the fourth official, while Paolo Mazzoleni and Antonio Giua will be on VAR duties.
