Paris Saint-Germain and Manchester City met in the UEFA Champions League at Parc des Princes on Wednesday in perhaps the most critical league phase game so far this season. The Ligue 1 titleholders and their English Premier League counterparts are both facing potential elimination from the tournament after poor runs of form this European season.

The French champions sit just outside the play-off spots in Europe after winning only two of their opening six games during their campaign thus far. Man City, meanwhile, have only eight points and are at risk of dropping out of the top twenty-four if they do not win in the French capital,

UEFA overhauled the Champions League format this year introducing a new league phase system akin to domestic leagues across Europe.

Two Premier League teams are in action in the Champions League on Wednesday, and we will bring you every moment. Arsenal v Dinamo Zagreb Paris St-Germain v Man City - listen on BBC Radio 5 Live Kick-off times 20:00 GMT Follow all of the action and reaction here Champions League: Build-up to key night in Europe including PSG V Man City,

It's been a journey into the unknown, but the new-look Champions League is finally reaching the climax of the league phase. Here's what's needed to go through.