Feyenoord returns to the group stage after a 15-year absence and is likely to face a steep learning curve.
Here's everything you need to know ahead of the game. Not before. Just from this game.
It might be helpful, actually, if both were on the bench on Tuesday!
And he believes it is important not to allow the stature of PSG to affect his approach to the tie.
The goal for me is to evolve step by step. The boys are here from September through until May, for a full academic and football year.
[Edinson] Cavani is one that I rate. The 2-1 victory against Barcelona in 2012 will live long in the memory.
A year ago, Celtic suffered a 7-0 loss at Barcelona on their way to finishing bottom of a group that also included Borussia Monchengladbach and Manchester City.
"All my family are PSG supporters", he smiled.
"They are used to playing in the Champions League".
Henry wrote in his column for The Sun: "Neymar and Mbappe joining PSG is great for the French league".
"Is Ronaldhino better than Neymar?" mused Ntcham.
"I am very excited to play against PSG".
Paddy Power have made Celtic 10/1 to win, with the draw priced at 11/2 and PSG at 1/4. Celtic Park is truly unique in the world.
Those around him will have a huge part to play.
"I doesn't matter how much you cost".
Odsonne Edouard played a neat one-two with Patrick Roberts, returning on loan to Celtic for the season, before finding the net, whilst the woodwork denied Sinclair his hat-trick.
"As far as I am concerned, all players are equal".
"I've always said that the Champions League is a special competition, it is the competition for the big players and where we see the big players". It was 4-4-2, it was stiff and static. With such incisively fluid movement between the three, it's an enormously difficult task. It can lead to disruption in a dressing-room. But, perhaps, the key to defeating the giants lies in the fan support. It took me 30 minutes and I happy with it.
PSG blitzed Metz on Friday night with a 5-1 away win. They signed Coman, Toliso, and Sule, while James Rodrigues came on loan from Real Madrid. "We are friends, it will be good to play against him".