Manchester United took a big advantage in their UEFA Europa League quarter-final after defeating Granada 2-0 in the first leg.
Ole Gunnar Solskjaer's men took the lead in the 31st minute when Marcus Rashford showed great control to bring down Harry Maguire's long-ball before firing home.
The second goal arrived on 90 minutes, with Bruno Fernandes bagging his third goal of the tournament from the penalty spot.
Arsenal were unable to hold on for a clean sheet after conceding a late equaliser to Slavia Praha.
Nicolas Pepe put the Gunners with four minutes remaining in the second half, before Tomas Holes bagged the away goal for Slavia in second-half stoppage time.
AS Roma gave their semi-final hopes a big boost with a come-from-behind victory in Amsterdam.
The home side got the breakthrough on 39 minutes courtesy of a strike from Davy Klaasen, but parity was restored through Lorenzo Pellegrini on 57 minutes.
Ibanez got the winning goal for the Serie A outfit on 87 minutes.
Villarreal hold the advantage in the quarter-final tie against Dinamo Zagreb after their first-leg victory.
Gerard Moreno gifted the visitors a crucial away goal on the stroke of halftime from the penalty spot.