We now know which teams will be contesting the Champions League's round-of-16 after the final group games saw the likes of Tottenham and Liverpool scraping through.
Some teams had little difficulty booking their place, with Porto, Bayern Munich and Barcelona topping their respective groups unbeaten.
Juventus and holders Real Madrid also progress as group winners, despite suffering shock defeats on Wednesday to Young Boys and CSKA Moscow, respectively.
Those who emerged as leaders in the round-robin phase will – theoretically at least – expect slightly kinder draws in the next round.
However, there are certainly a few jokers in the pack, with Atletico Madrid, Spurs, Liverpool and Manchester United all going through as runners-up.
For most, the knockout phase is when the Champions League really starts to build the intrigue, but there are rules in place preventing clubs from facing other sides from the same nation or group in the last 16.
So, who could each team end up drawing? We take a look at the draw scenarios.
Borussia Dortmund: Ajax, Liverpool, Lyon, Manchester United, Roma, Tottenham
Atletico Madrid: Bayern, Juventus, Manchester City, Paris Saint-Germain, Porto
Barcelona: Liverpool, Schalke, Ajax, Lyon, Roma, Manchester United
Tottenham: Dortmund, PSG, Porto, Bayern, Real Madrid, Juventus
Confirmation of the possible rivals in the @ChampionsLeague Round of 16— FC Barcelona (@FCBarcelona) December 12, 2018
Liverpool and Manchester United
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PSG: Atletico, Tottenham, Schalke, Ajax, Roma, Manchester United
Liverpool: Dortmund, Barcelona, Porto, Bayern, Real Madrid, Juventus
Porto: Atletico, Spurs, Liverpool, Ajax, Lyon, Roma, Manchester United
Schalke: Barcelona, PSG, Manchester City, Real Madrid, Juventus
Bayern: Atletico, Spurs, Liverpool, Lyon, Roma, Manchester United
Ajax: Dortmund, Barcelona, PSG, Porto, Manchester City, Real Madrid, Juventus
Manchester City: Atletico, Schalke, Ajax, Roma
Lyon: Dortmund, Barcelona, Porto, Bayern, Real Madrid, Juventus
Real Madrid: Spurs, Liverpool, Schalke, Ajax, Lyon, Manchester United
Roma: Dortmund, Barcelona, PSG, Porto, Bayern, Manchester City
Juventus: Atletico, Spurs, Liverpool, Schalke, Ajax, Lyon
Manchester United: Dortmund, Barcelona, PSG, Porto, Bayern, Real Madrid
When will the draw take place?
The teams will learn their next opponents on December 17 when the draw is made at UEFA's headquarters in Nyon.
When will the Champions League last-16 matches be played?
One half of the draw will play the first leg matches on 12 or 13 February, with the other four games contested a week later.
The return matches take place three weeks later, with the round completed on March 13.
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