Man Utd have been drawn against Granada, while Arsenal will face Slavia Prague.
Europa League quarter-final draw
Granada v Manchester United
Arsenal v Slavia Prague
Ajax v Roma
Dinamo Zagreb v Villarreal
(ties played on 8 and 15 April)
Europa League semi-final draw
Granada/Manchester United v Ajax/Roma
Dinamo Zagreb/Villarreal v Arsenal/Slavia Prague
(ties played on 29 April and 6 May)