Official Line-Ups: Barca, Lyon, Roma, Arsenal, Man U, Inter, Porto, Atletico

The line-ups are in and Totti starts for Roma, as does Giggs for Manchester United and Balotelli for Inter.
Barcelona (4-3-3): Valdes; Dani Alves, Pique, Marquez, Sylvinho; Xavi, Toure, Iniesta; Messi, Eto'o, Henry.