Tito Vilanova has lined his Barcelona team up in a typical 4-3-3 formation for their Champions League trip to Benfica.

Pedro and Alexis Sanchez start up front for the Catalan outfit, with Lionel Messi just behind. Xavi, Sergio Busquets and Cesc Fabregas form the midfield.

Javier Macherano will partner Carles Puyol in the centre of defence, while Jordi Alba and Dani Alves start as wing-backs.

Reported Manchester United target Nicolas Gaitan begins in midfield for the hosts.

Benfica: Artur; Maxi Pereira, Garay, Jardel, Bruno Cesar; Gaitan, Matic, Perez, Lima; Salvo, Melgarejo

Barcelona: Valdes; Alves, Puyol, Mascherano, Alba; Xavi, Busquets, Fabregas; Pedro, Messi, Sanchez