Vitor Roque's maiden Barcelona goal saw the La Liga champions defeat 10-man Osasuna 1-0 at the Estadi Olimpic Lluis Companys.
Barcelona have accelerated the arrival of 18-year-old Brazilian sensation Vitor Roque by six months.
Barcelona head coach Xavi Hernandez has been wrestling with a puzzle for weeks – how to fill the void left by injured players in his squad.
Barcelona have signed 18-year-old Brazilian striker Vitor Roque for an initial €30m, with a further €31m in bonuses.