Sandro Schärer ha arbitrato Atalanta - Olympiakos. Di seguito la squadra arbitrale al completo:

Referee: Sandro Schärer (SUI)
Assistant Referee 1: Stéphane De Almeida (SUI)
Assistant Referee 2: Jonas Erni (SUI)
Fourth Official: Alessandro Dudic (SUI)
Video Assistant Referee: Marco Fritz (GER)
Assistant Video Assistant Referee: Fedayi San (SUI)
UEFA Referee Observer: Carlos Velasco Carballo (ESP)
UEFA Delegate: Philippe Prudhon (FRA)
UEFA Referee Liaison Officer: Giacomo Paganessi (ITA)