Manchester City face Paris Saint-Germain on a Tuesday in a match which pits some of the best players in the world against each other.
PSG will be looking to exact revenge from their Champions League semi-final defeat to City last season in their first of two group stage clashes.
Sportsmail columnist Chris Sutton takes a look at the key battles to watch out for on Tuesday evening.
KYLIAN MBAPPE V JOAO CANCELO
Cancelo's highlights reel against Chelsea was impressive, considering he was a right back playing at left back.