Manchester City could be out of the Champions League by the end of the night.
Failure to beat Group E winners Bayern Munich would knock them out of the competition if there's a winner between CSKA Moscow and Roma.
Victory is the only way City can guarantee their campaign remains alive going into the final matchday.
Chelsea will reach the last-16 with a game to spare if they win away to German side Schalke – who are managed by former Stamford Bridge boss Roberto Di Matteo.
