Arsenal will face Napoli in the quarter-finals of this season's Europa League.
The Gunners overturned a 3-1 first-leg defeat against Rennes to make it this far, triumphing 3-0 at the Emirates Stadium on Thursday night.
Napoli beat Red Bull Salzburg 3-0 in their first leg before losing 3-1 in the second, but in reality, the Italians were perhaps the one side other than Chelsea that Unai Emery's men wanted to avoid.
Chelsea, meanwhile, have been rewarded for their 8-0 aggregate honking of Dynamo Kiev with a clash against Sevilla's late victors, Slavia Prague.
Prague were heading out on away goals against their La Liga opponents, but netted a dramatic 119th-minute winner via Ibrahim Benjamin Traoré in a 4-3 thriller.
Draw in full
Napoli vs Arsenal
Villarreal vs Valencia
Benfica vs Eintracht Frankfurt
Slavia Prague vs Chelsea
Napoli OR Arsenal vs Villarreal OR Valencia
Benfica OR Eintracht Frankfurt vs Slavia Prague OR Chelsea
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