The Champions League returns tonight, October 13, with a huge night of matches across Europe.
Manchester United travel to Madrid to face Atletico in the night's biggest game.
Interim boss Michael Carrick says United will come out fighting after a poor start to the season.
A win in Madrid would turn United's European campaign around and ease the pressure on Carrick.
Captain Bruno Fernandes is United's top scorer this season with four goals and one assist.
Manchester City take on Paris Saint-Germain in another massive Matchday 2 clash.
Each team plays eight league-phase games. The top eight go straight to the last 16.
United travel to the Spanish capital tonight. It is one of the key games of Matchday 2.
United's squad list was confirmed before the trip. Check the club site for late changes.
The Champions League week continues on Wednesday with more big ties across Europe.
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