The Champions League is already back after just a fortnight's break with the knockout play-offs. What do they mean and how is the rest of the competition shaping up?
If you are missing the number crunching of the newly-redesigned league phase, brought in this season to result in more fixtures between 'big clubs' at an earlier stage, don't worry. The mental gymnastics are not over yet.
This week and next, the teams ranked ninth to 24th in that league phase will go head-to-head in two-legged play-off games to determine which eight will progress as the unseeded sides for the last 16, where their opponents will be determined by who finished where in the top eight.
As you may already know, teams have been drawn in pairs for the play-off round - meaning the teams in ninth and 10th could face either of the teams in 23rd or 24th, the teams in 11th and 12th facing those in 21st or 22nd, and so on at this stage of the tournament.
That is as far as we've got with regards to mapping out the route to the Allianz Arena on May 31. The eight play-off ties, to be played on February 11-12 and 18-19, are:
First legs
Feb 11: Brest vs PSG (5.45pm)
Feb 11: Juventus vs PSV Eindhoven (8pm)
Feb 11: Man City vs Real Madrid (8pm)
Feb 11: Sporting Lisbon vs Borussia Dortmund (8pm)
Feb 12: Club Brugge vs Atalanta (5.45pm)
Feb 12: Celtic vs Bayern Munich (8pm)
Feb 12: Feyenoord vs AC Milan (8pm)
Feb 12: Monaco vs Benfica (8pm)
Second legs
Feb 18: AC Milan vs Feyenoord (5.45pm)
Feb 18: Atalanta vs Club Brugge (8pm)
Feb 18: Bayern Munich vs Celtic (8pm)
Feb 18: Benfica vs Monaco (8pm)
Feb 19: Borussia Dortmund vs Sporting Lisbon (5.45pm)
Feb 19: PSG vs Brest (8pm)
Feb 19: PSV Eindhoven vs Juventus (8pm)
Feb 19: Real Madrid vs Man City (8pm)
We don't yet know. UEFA seemingly believes one other thing missing from the old Champions League format was more draw ceremonies, and so they have made the last-16 draw separate from last month's play-off draw.
In practice, each play-off pairing knows they could face one of two automatically-qualified teams in the next phase but will not find out exactly who that is until after they have gone through, as the draw to reveal the last 16 and beyond will not be held until February 21 at UEFA headquarters in Nyon, Switzerland.
And this is what makes things complicated. Liverpool and Barcelona, who finished first and second in the table to go straight through to the last 16, know they will face one of Monaco, Benfica, Paris or Brest in the next round.
That is as far as they can narrow it down, far less know even which half of the draw they will be in, as first and second, third and fourth and so on are grouped together at this point - with one of each pair ending up in opposite halves of the draw.
Hopefully, the graphic below can go some way to offering a visual explanation to clear things up slightly.
The draw for the last 16 and beyond will be held on February 21.
Round of 16: vs PSG (15th), Benfica (16th), Monaco (17th) or Brest (18th).
Round of 16: vs AC Milan (13th), PSV (14th), Feyenoord (19th) or Juventus (20th).
Round of 16: vs Atalanta (9th), Borussia Dortmund (10th), Sporting (23rd) or Club Brugge (24th).
Knockout play-offs: vs Bayern Munich (11th).
Round of 16: vs Atletico Madrid (5th) or Bayer Leverkusen (6th).
Knockout play-offs: vs Real Madrid (12th).
Round of 16: vs Atletico Madrid (5th) or Bayer Leverkusen (6th).
