PREVIEW: Different tasks for Barca and Real Madrid in Spain's Matchday 18

MADRID, Jan. 19 (Xinhua) -- The 18th round of matches in La Liga this weekend sees FC Barcelona, Real Madrid, Real Betis and Valencia return to league action after their adventures in the Spanish Super Cup last week and the Copa del Rey this Thursday.

The teams first and second in La Liga both play on Sunday, with Barcelona at home to Getafe, while Real Madrid have a difficult trip to play Athletic Bilbao.