I wonder who's got the 2nd legs?
18 May 2023
21:00 CET - Basel (St. Jakob's Park)
FC Basel (SUI) - ACF Fiorentina (ITA)
Referee: José María Sánchez Martínez (ESP)
Assistant Referee 1: Raúl Cabańero (ESP)
Assistant Referee 2: Ińigo Prieto (ESP)
Fourth Official: César Soto Grado (ESP)
Video Assistant Referee: Ricardo De Burgos (ESP)
Assistant Video Assistant Referee: José Luis Munuera (ESP)
UEFA Referee Observer: Lucílio Cardoso Cortez Batista (POR)
UEFA Delegate: David Pugh (ENG)21:00 CET - Alkmaar (AZ Stadion)
AZ Alkmaar (NED) -
West Ham (ENG) Referee: Ivan Kruliak (SVK)
Assistant Referee 1: Branislav Hancko (SVK)
Assistant Referee 2: Jan Pozor (SVK)
Fourth Official: Sven Jablonski (GER)
Video Assistant Referee: Marco Fritz (GER)
Assistant Video Assistant Referee: Christian Dingert (GER)
UEFA Referee Observer: Emil Bozinovski (MKD)
UEFA Delegate: Angelo Chetcuti (MLT)