Real Madrid's Ronaldo celebrates his goal against Real Zaragoza during their Spanish first division soccer match at La Romareda stadium in Zaragoza, Aug 28, 2011. [Photo/Agencies]

Ronaldo enjoys goal spree

The Spanish match also witnessed an embarrassingly one-sided contest as Cristiano Ronaldo scored a hat-trick in Real Madrid's crushing 6-0 win at Real Zaragoza in their opening La Liga match on Sunday.

Marcelo, Kaka and Xabi Alonso also scored for Jose Mourinho's team as La Liga kicked off one week late following a players' strike.

European champions Barca begin their bid for a club record-equalling fourth title in a row at home to Villarreal on Monday when former Arsenal captain Cesc Fabregas could make his league debut.