With the line-up now complete, UEFA.com picks out the key details about Friday's UEFA Europa League round of 16 draw – watch it live from 13:00CET.
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Who is in the UEFA Europa League round of 16 draw?
Celta Vigo (ESP)
Manchester United (ENG)
When is the draw?
The draw takes place at 13:00CET on Friday and will be streamed live on UEFA.com in our DrawCentre, which will have all the build-up from 11:30CET and then the reaction and fixture details.
Is it an open draw?
There is no seeding or country protection so all 16 balls will be placed in the same bowl.
When will the games take place?
Games will be played in principle on Thursday 9 and 16 March at 19:00CET and 21:05CET, with the exact schedule to be confirmed after the draw. The teams drawn first will be at home in the first legs.
What are the rest of the dates on the road to Stockholm?
17 March: quarter-final draw, Nyon
13 April: quarter-finals, first leg
20 April: quarter-finals, second leg
21 April: semi-final draw, Nyon
4 May: semi-finals, first leg
11 May: semi-finals, second leg
24 May: final (Friends Arena, Solna)