Adriano proved Barcelona's matchwinner with a narrow 1-0 win over Valencia last night.
Barca, beaten by rivals Real Madrid in the Supercopa, could have beaten Manuel Pellegrino's side by more goals had Cesc Fabregas not failed to take two good chances.
Tito Vilanova almost saw his side pay for those missed chances as Roberto Soldado and Victor Ruiz both went close, the latter also having a goal disallowed for offside.