Quique Setien says he remains positive about Barcelona's hopes of progressing in the Champions League despite Sergio Busquets and Arturo Vidal's absences for the last-16 second leg against Napoli in three weeks' time.
Barca laboured to a 1-1 draw against the Serie A side at Stadio San Paolo on Tuesday, scoring through Antoine Griezmann.
The France international's strike cancelled out a superb first-half goal from Dries Mertens, who limped off early in the second half after a heavy challenge from Busquets.
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That foul earned the holding midfielder a yellow card, which rules him out of the second leg, while Vidal will also sit out the clash at Camp Nou after receiving his marching orders for quick-fire cautions in the same incident with Mario Rui late on.