AS Roma – Shakhtar Donetsk
Referee: Alberto Undiano Mallenco (ESP, photo)
Assistant Referee 1: Roberto Alonso Fernández (ES)
Assistant Referee 2: Juan Yuste Jiménez (ESP)
Additional AR 1: Juan Martínez Munuera (ESP)
Additional AR 2: José Sánchez Martínez (ESP)
Fourth Official: Raúl Cabañero Martínez (ESP)
Referee Observer: Haim Jakov (ISR)
Manchester United – Sevilla FC
Referee: Danny Makkelie (NED)
Assistant Referee 1: Mario Diks (NED)
Assistant Referee 2: Hessel Steegstra (NED)
Additional AR 1: Kevin Blom (NED)
Additional AR 2: Jochem Kamphuis (NED)
Fourth Official: Jan de Vries (NED)
Referee Observer: Marc Batta (FRA)
14 March 2018
Beşiktaş – Bayern München
Referee: Michael Oliver (ENG)
Assistant Referee 1: Stuart Burt (ENG)
Assistant Referee 2: Simon Bennett (ENG)
Additional AR 1: Martin Atkinson (ENG)
Additional AR 2: Andre Marriner (ENG)
Fourth Official: Lee Betts (ENG)
Referee Observer: Manuel Díaz Vega (ESP)
FC Barcelona – Chelsea
Referee: Damir Skomina (SVN)
Assistant Referee 1: Jure Praprotnik (SVN)
Assistant Referee 2: Robert Vukan (SVN)
Additional AR 1: Matej Jug (SVN)
Additional AR 2: Slavko Vinčič (SVN)
Fourth Official: Tomaž Klančnik (SVN)
Referee Observer: Herbert Fandel (GER)
