Following Thursday’s matches, the 32 teams left in this season’s Europa League have been confirmed.
The 12 group winners and the four best third-ranked teams in the UEFA Champions League group stage are seeded, ahead of the draw on Monday in Nyon, Switzerland.
They will be drawn against the 12 group runners-up and the remaining third-placed UEFA Champions League sides.
Round of 32 draw pots
Seeded: AC Milan (ITA), Arsenal (ENG), Atalanta (ITA), Athletic Club (ESP), Atlético Madrid* (ESP), Braga (POR), CSKA Moskva* (RUS), Dynamo Kyiv (UKR), Lazio (ITA), Leipzig* (GER), Lokomotiv Moskva (RUS), Plzeň (CZE), Salzburg (AUT), Sporting CP* (POR), Villarreal (ESP), Zenit (RUS)
Unseeded: AEK Athens (GRE), Astana (KAZ), Celtic* (SCO), Crvena zvezda (SRB), Dortmund* (GER), FCSB (ROU), København (DEN), Ludogorets (BUL), Lyon (FRA), Marseille (FRA), Napoli* (ITA), Nice (FRA), Östersund (SWE), Partizan (SRB), Real Sociedad (ESP), Spartak Moskva* (RUS)
* Transferred from UEFA Champions League
No team can play a club from their UEFA Europa League group or a side from the same national association, with other restrictions to be confirmed ahead of the draw.
Games will be played in principle on Thursdays 15 and 22 February and the seeded teams will be at home in the second leg.