Premier League outfit Arsenal, Spanish side Atletico Madrid and the Bundesliga's Borussia Dortmund all found out who they will be facing in the first knockout phase of this season's Europa League.
The competition will see eight clubs who finished third in the UEFA Champions League group stage join at this stage of the tournament.
The eight teams are Atletico Madrid, Celtic, CSKA Moscow, Borussia Dortmund, Napoli, Sporting CP, RB Leipzig and Spartak Moscow.
Borussia Dortmund vs Atalanta
Nice vs Lokomotiv Moscow
København vs Atletico Madrid
Spartak Moscow vs Athletic Bilbao
AEK Athens vs Dynamo Kyiv
Celtic vs Zenit St Petersburg
Napoli vs RB Leipzig
Red Star Belgrade vs CSKA Moscow
Lyon vs Villarreal
Real Sociedad vs Salzburg
Partizan vs Plzen
Steaua Bucuresti vs Lazio
Ludogorets vs AC Milan
Astana vs Sporting CP
Östersund vs Arsenal
Braga vs Marseille
The first leg of the ties will be played on 15 February, with the return fixtures taking place on 22 February.
The Round of 16 matches will be announced on 23 February.