Arsenal and Chelsea have already qualified for the last 32 of the Europa League, but who could they face? And will they play each other?
UEFA has charged Rangers for a pitch invasion and throwing of objects during their Europa League draw with Villarreal.
Follow all the action from Kiev as Vorskla Poltava entertain Arsenal in the Europa League.
A new 32-team European club competition will be launched in 2021.
Chelsea maintained their perfect record in Europa League Group L with a 4-0 win over PAOK, who played for 83 minutes with 10 men.
A header from Scott Sinclair gave Celtic a 1-0 win against Rosenborg in the Europa League on Thursday, and put them within a point of the last 32.
AC Milan survived a major fright against Dudelange at San Siro, before fighting back to win 5-2 against the Luxembourg minnows.
Steven Gerrard hailed Allan McGregor as the Rangers 'keeper produced a string of stunning saves to help his side clinch a crucial point against Villarreal.
Ten-man Rangers hung on for a draw against Villarreal at Ibrox to keep alive their hopes of progressing to the Europa League knockout stages.
Brendan Rodgers expects a big European night at Celtic Park after the 1-0 win over Rosenborg set up a last-day Europa League showdown with Salzburg.
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Ahead of Friday's draw for the Europa League group stage, we run through the vital details for British clubs.
We look at the rise of Red Bull Salzburg, their coach who has learnt under Jurgen Klopp and Thomas Tuchel, and what their "next step" is.
Arsenal answered their critics and kept their season alive with a 2-0 Europa League win at AC Milan. We look at how they did it...
A rejuvenated Suso will be Arsenal's main danger when they face Milan in the first leg of their Europa League last-16 tie.
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