Analysis: Four things we learned in Spain's matchday 18

MADRID, Dec. 23 (Xinhua) -- There were changes at the top of La Liga in the last weekend's games before the Christmas holidays, with Atletico and Real Madrid both leap-frogging Barcelona in the standings. Here are four things we learned this weekend in Spain.

1. Barca's soft center lets it down again against Atletico

On a different day FC Barcelona would have been out of sight before Rodrigo de Paul equal