Europa League 2018/19 - Semifinals - Referee Appointments (II)

UEFA Referees Committee has chosen the following officials to handle the second leg games of 2018/19 Europa League semifinals.

9 May 2019, 21:00 CET - València (Mestalla, camp del València)

Valencia CF (ESP) - Arsenal FC (ENG)
Referee: Danny Makkelie (NED)
Assistant Referee 1: Mario Diks (NED)
Assistant Referee 2: Hessel Steegstra (NED)
Fourth Official: Sergey Karasev (RUS)
Additional Assistant Referee 1: Dennis Higler (NED)
Additional Assistant Referee 2: Jochem Kamphuis (NED)
Reserve Assistant Referee: Joost van Zuilen (NED)
UEFA Referee Observer: Darko Čeferin (SVN)
UEFA Delegate: Metin Kazancıoğlu (TUR)

9 May 2019, 21:00 CET - London (Stamford Bridge)
Chelsea FC (ENG) - Eintracht Frankfurt (GER)
Referee: Ovidiu Alin Hațegan (ROU)
Assistant Referee 1: Octavian Șovre (ROU)
Assistant Referee 2: Sebastian Eugen Gheorghe (ROU)
Fourth Official: Pavel Královec (CZE)
Additional Assistant Referee 1: Radu Marian Petrescu (ROU)
Additional Assistant Referee 2: Sebastian Constantin Colțescu (ROU)
Reserve Assistant Referee: Radu Adrian Ștefan Ghinguleac (ROU)
UEFA Referee Observer: Alain Hamer (LUX)
UEFA Delegate: Harry Been (NED)