The Brazil striker had missed one match because of muscle pain. The team won 2-1 at Malaga in the Spanish league without him.
Neymar scored to help give Barcelona a 2-1 win in their first leg at Bilbao. The defending champion will now look to finish off the tie and advance to the final four.
Coach Luis Enrique left midfielder Arda Turan off his squad due to fever. Like Turan, Andres Iniesta and Sergio Busquets also missed practice this week with fever, but they have been included on the squad.
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