The youngster played 68 minutes of the end-to-end encounter, showing some deft touches for the Catalan side as they played out an enthralling draw.
With at least six months of loan-spell in Spain ahead of him, Coutinho will look to build-upon this promising start and gain regular first-team experience.
Despite appearing to limp off, the youngster has confirmed post-match that the problem which saw his departure was no more than a slight cramp.