article_snippet: (right) contests for the ball alongside Barcelona's Luis Suarez .
article_snippet: Manchester City defender Martin Demichelis (left) challenges Messi of Barcelona for possession of the ball .
article_snippet: Aleksandar Kolarov (centre) is crowded out by Messi (left) and Ivan Rakitic of Barcelona .
article_snippet: James Milner (right) chases after Messi in the Champions League clash between Barcelona and City .