Check out the match official appointments for the quater- final first leg matches below.

Written by Nathan Mattick

Thursday 8th April 

Granada CF v Manchester United FC

Referee: Artur Dias (POR)
Assistant Referees: Rui Tavares and Paulo Soares (POR)
Fourth Official: Tiago Martins (POR)
Video Assistant Referee: João Pinheiro (POR)
Assistant Video Assistant Referee: Luis Godinho (POR)
UEFA Referee Observer: Nikolai Levnikov (RUS)
UEFA Delegate: Róbert Agnarsson (ISL)

Arsenal FC v SK Slavia Praha 

Referee: Andreas Ekberg (SWE)
Assistant Referees: Mehmet Culum and Stefan Hallberg (SWE)
Fourth Official: Mattias Gestranius (FIN)
Video Assistant Referee: Juan Martínez Munuera (ESP)
Assistant Video Assistant Referee: Guillermo Cuadra Fernández (ESP)
UEFA Referee Observer: Hugh Dallas (SCO)
UEFA Delegate: Eugène Westerink (NED)

GNK Dinamo v Villarreal CF 

Referee: Daniel Siebert (GER)
Assistant Referees: Jan Seidel and Rafael Foltyn (GER)
Fourth Official: Willy Delajod (FRA)
Video Assistant Referee: Christian Dingert (GER)
Assistant Video Assistant Referee: Bibiana Steinhaus (GER)
UEFA Referee Observer: Vladimir Šajn (SVN)
UEFA Delegate: Jean Paul Mievis (BEL)

AFC Ajax v AS Roma

Referee: Sergei Karasev (RUS)
Assistant Referees: Igor Demeshko and Maksim Gavrilin (RUS)
Fourth Official: Aleksei Kulbakov (BLR)
Video Assistant Referee: Vitali Meshkov (RUS)
Assistant Video Assistant Referee: Sergei Ivanov (RUS)
UEFA Referee Observer: Marc Batta (FRA)
UEFA Delegate: Scott Struthers (SCO)

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