Napoli have confirmed Portugese centre-back Rolando will play for the Serie A club on loan until the end of the season.
Barcelona, and new signing Cesc Fabregas, are set to compete for their second piece of silverware of the new season in the UEFA Super Cup when they face FC Porto, but coach Pep Guardiola remains cautious.
Ahead of Friday's 2011/12 Liga kick-off, holders Os Dragões remain favourites though traditional foes Benfica and Sporting have spent heavily on new blood in the summer.
FC Porto comfortably beat Vitoria Guimaraes 6-2 to win the Taca de Portugal, with James Rodriguez's hat-trick leading Andre Villas-Boas' side to their third trophy of the season.
Impressive Porto made a winning start to their UEFA Europa League Group L campaign tonight with a comfortable defeat of Rapid Vienna.
Wednesday's games yielded a surprise loss for AC Milan and narrow wins for the English clubs, as FIFA.com recaps in this rundown of the action.