21 February 2017
Bayer Leverkusen – Atletico Madrid
Referee: William Collum (SCO, photo)
Assistant Referee 1: Francis Connor (SCO)
Assistant Referee 2: David McGeachie (SCO)
Additional AR 1: Robert Madden (SCO)
Additional AR 2: John Beaton (SCO)
Fourth Official: Alan Mulvanny (SCO)
Referee Observer: Bertrand Layec (FRA)
Manchester City – AS Monaco
Referee: Antonio Mateu Lahoz (ESP)
Assistant Referee 1: Pau Cebrián Devis (ESP)
Assistant Referee 2: Javier Aguilar Rodríguez (ESP)
Additional AR 1: Jesús Gil Manzano (ESP)
Additional AR 2: Carlos Clos Gómez (ESP)
Fourth Official: Teodoro Sobrino Magán (ESP)
Referee Observer: Markus Nobs (SUI)
22 February 2017
FC Porto – Juventus Turin
Referee: Felix Brych (GER)
Assistant Referee 1: Mark Borsch (GER)
Assistant Referee 2: Stefan Lupp (GER)
Additional AR 1: Bastian Dankert (GER)
Additional AR 2: Marco Fritz (GER)
Fourth Official: Rafael Foltyn (GER)
Referee Observer: Zdravko Jokić (SRB)
Sevilla FC – Leicester City
Referee: Clément Turpin (FRA)
Assistant Referee 1: Nicolas Danos (FRA)
Assistant Referee 2: Cyril Gringore (FRA)
Additional AR 1: Ruddy Buquet (FRA)
Additional AR 2: Benoît Bastien (FRA)
Fourth Official: Hicham Zakrani (FRA)
Referee Observer: Horst Brummeier (AUT)