Arsenal and Chelsea both booked their spots in the Europa League semi-finals on Thursday night.
The Gunners avoided any slip-ups in their second leg in Naples, claiming a 1-0 win on the night to beat Napoli 3-0 on aggregate after Alexandre Lacazette's stunning free-kick.
Chelsea made much harder work of their tie with Slavia Prague, but in reality their progression was never in doubt despite shipping in three goals in a 4-3 triumph at Stamford Bridge.
They will be joined in the last four by Valencia, who thrashed fellow Spanish side Villarreal 5-1 on aggregate.
Eintracht Frankfurt snatched a spot in the semi-finals on away goals after beating Benfica 2-0 at home and drawing 4-4 on aggregate.
Fans think they know why Nacho Monreal left the pitch in Napoli vs Arsenal
The draw for the semi-finals was carried out at the same time as the quarter-final draw, meaning we already know both ties.
Arsenal will take on Valencia, with Chelsea facing a showdown with Bundesliga side Frankfurt as they all battle for a spot in the May 29 final in Baku with a chance to secure a Champions League place.
The semi-finals will take place on May 2 and May 9, with the competition now hotting up in the latter stages.
Chelsea 4-3 Slavia Prague (5-3 agg): 5 talking points as Blues reach semis in goal-fest
Chelsea and Arsenal are both battling to finish in the Premier League top four, but with one of them likely to miss out the Europa League represents a key opportunity to return to Europe's top table and gain some silverware in the process.
There is a real possibility of an all-English Europa League final with both clubs likely to be favourites in their semi-final encounters.
