Analysis: Four things we learned in Spain's Matchday 24

MADRID, March 6 (Xinhua) -- FC Barcelona failed to impress against Valencia but nevertheless extended their lead at the top of La Liga to nine points over Real Madrid on a good weekend for Atletico Madrid coach Diego Simeone. Here are some things we learned in Spain's Matchday 24.

1. Barca look flat without big four

Although Barcelona beat struggling Valencia 1-0 to open up a nine-point gap at the top of