The Elephants take on Greece in their final Group C clash of the 2014 Fifa World Cup.
Edin Dzeko scored twice to help Man City beat rivals Man United 3-0 on Tuesday.
Manuel Pellegrini hailed the importance of midfielder Yaya Toure after the Ivorian's first career hat-trick.
Manchester City face one of their toughest battles in the Champions League against Barcelona.
Branislav Ivanovic scored the only goal of the match that saw Chelsea beat Manchester City 1-0.
Manchester City thrashed Tottenham Hotspur 5-1 to go one point clear at the top of the table.