Manchester City face Barcelona at Nou Camp in second leg of his century tie . Catalan giants hold 2-1 lead after victory at the Etihad Stadium . Manuel Pellegrini needs a result to save City 's season . Yaya Toure knows team must improve after 1-0 defeat by Burnley . CLICK HERE for Barcelona vs Man City team news .
Manchester City face Barcelona at Nou Camp in second leg of last 16 tie . Catalan giants hold 2-1 lead after victory at the Etihad Stadium . Manuel Pellegrini needs a result to save City 's season . Yaya Toure knows team must improve after 1-0 defeat by Burnley . CLICK HERE for Barcelona vs Man City team news .