Preview: Much at stake for Barca, Xavi in Napoli trip

MADRID, Feb. 20 (Xinhua) -- FC Barcelona travel for one of the most important games of their season when they face Napoli in the first leg of the Champions League last-16 on Wednesday night.

The game is vital for the club's economy, as well as for the credibility of coach Xavi Hernandez, who has already said he will be stepping down at the end of the season, but who could find himself leaving earlier (despite as