Chelsea and Arsenal are on track to qualify for the semi-finals of the Europa League.
The Blues beat Slavia Prague 1-0 in their quarter-final first leg thanks to a late goal from Marcos Alonso.
Meanwhile the Gunners' won their quarter-final firs leg tie with Napoli 2-0 at the Emirates Stadium.
Elsewhere Valencia beat Villarreal 3-1 while Benfica took control of their Europa League quarter-final tie with Eintracht Frankfurt by winning 4-2.

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