When Paris Saint-Germain reveal their starting line-up ahead of the Manchester City game tonight, eyes will immediately scan for one name: Kylian Mbappe.
The French champions are desperate to secure their place in the Champions League final, and go into the game at the Etihad 2-1 down on aggregate, knowing that they need a big performance to get past Pep Guardiola's side.
While the likes of Neymar and Angel Di Maria will be pivotal to their chances, it is widely accepted that their fate could well rest on the shoulders of Mbappe.
Mauricio Pochettino (right) will be desperate for Kylian Mbappe to be fit on Tuesday nightInsurance Loans Mortgage Attorney Credit Lawyer
Back in 2017, it was at the Etihad that an 18-year-old Mbappe announced himself to the world
Unfortunately for PSG fans, though, it's not yet clear whether he'll be there, having suffered a calf injury which forced him to sit out of the Lens game at the weekend.
Speaking about his star man yesterday, boss Mauricio Pochettino said: 'There is still one day and we will see and decide if he is going to be available. We will take the decision tomorrow.'
And so the anxious wait goes on for the fans, and the club, who are desperate to secure their first European success in a season that could well see them miss out on the Ligue 1 title to Lille.
If Mbappe has to sit out, and PSG don't go through, there will always be an element of what could have been, had their star man been on the pitch.
For PSG, he is the club's past, present and future. Signed for a world-record £163million from under the nose of Real Madrid in 2017, he has proved his worth time and time again, and is the figurehead of the club.
Given there are still rumours swirling about his future, and him getting that move to Real Madrid that has been touted for four years, PSG know that now might be their best chance to reach the top.
Mbappe celebrates after scoring for Monaco as they knocked City out of Champions LeagueInsurance Loans Mortgage Attorney Credit Lawyer
The French superstar (right) watched on from the sidelines with a calf injury against Lens
They want him to stay for many years to come, and will surely have offered him a contract to reflect that, but there will be a nagging feeling that this squad, with these players, is the closest they've ever come to the world's best.