AC Milan – AS Roma
Referee: Clement Turpin FRA (photo)
Assistant Referee 1: Nicolas Danos FRA
Assistant Referee 2: Erwan Finjean FRA
Fourth Official: Ruddy Buquet FRA
VAR: Jerôme Brisard FRA
AVAR: Willy Delajod FRA
Referee Observer: Manuel Díaz Vega ESP
Liverpool FC – Atalanta BC
Referee: Halil Meler TUR
Assistant Referee 1: Mustafa Eyisoy TUR
Assistant Referee 2: Kerem Ersoy TUR
Fourth Official: Arda Kardeşler TUR
VAR: Alper Ulusoy TUR
AVAR: Abdulkadir Bitigen TUR
Referee Observer: Vladimir Šajn SVN
Bayer Leverkusen – West Ham United
Referee: Artur Dias POR
Assistant Referee 1: Paulo Soares POR
Assistant Referee 2: Pedro Ribeiro POR
Fourth Official: Antonio Nobre POR
VAR: Tiago Martins POR
AVAR: Hugo Miguel POR
Referee Observer: Levan Paniashvili GEO
SL Benfica – Olympique de Marseille
Referee: Michael Oliver ENG
Assistant Referee 1: Stuart Burt ENG
Assistant Referee 2: Daniel Cook ENG
Fourth Official: Andrew Madley ENG
VAR: Christopher Kavanagh ENG
AVAR: Jarred Gillett ENG
Referee Observer: Luis Medina Cantalejo ESP