Messi scores hat-trick as Barca routs Man City

Pep Guardiola returns to the Camp Nou as Manchester City takes on Barcelona in a Champions League Group C clash.

Lionel Messi and David Silva in action.

Barcelona Starting XI: Ter Stegen, Umtiti, Pique, Mascherano, Alba, Busquets, Rakitic, Iniesta, Neymar, Suarez, Messi.

Manchester City Starting XI: Bravo, Zabaleta, Otamendi, Stones, Kolarov, Fernandinho, Gundogan, Silva, Sterling, Nolito, De Bruyne.