UEFA Europa League – Quarter-finals (First Leg)

4 April 2013

Tottenham – Basel
Referee: Milorad Mazic (SRB, photo)
Assistant Referee 1: Milovan Ristic (SRB)
Assistant Referee 2: Igor Radojcic (SRB)
Additional AR 1: Danilo Grujic (SRB)
Additional AR 2: Miodrag Gogic (SRB)
Fourth Official: Dalibor Djurdjevic (SRB)
Referee Observer: Pierluigi Collina (ITA)

Chelsea – Rubin Kazan
Referee: Gianluca Rocchi (ITA)
Assistant Referee 1: Elenito Di Liberatore (ITA)
Assistant Referee 2: Gianluca Cariolato (ITA)
Additional AR 1: Paolo Mazzoleni (ITA)
Additional AR 2: Paolo Valeri (ITA)
Fourth Official: Alessandro Giallatini (ITA)
Referee Observer: Paul Allaerts (BEL)

Fenerbahce – Lazio

Referee: William Collum (SCO)
Assistant Referee 1: Martin Cryans (SCO)
Assistant Referee 2: William Conquer (SCO)
Additional AR 1: Robert Madden (SCO)
Additional AR 2: John Beaton (SCO)
Fourth Official: Alan Mulvanny (SCO)
Referee Observer: Luis Medina Cantalejo (ESP)

Benfica – Newcastle

Referee: Antony Gautier (FRA)
Assistant Referee 1: Cyril Gringore (FRA)
Assistant Referee 2: Fredji Harchay (FRA)
Additional AR 1: Laurent Duhamel (FRA)
Additional AR 2: Ruddy Buquet (FRA)
Fourth Official: Guillaume Debart (FRA)
Referee Observer: Alan Snoddy (NIR)