ESPN FC News
OnScene: ESPN FC's updates from Real Madrid vs. Barcelona
Alejandro Moreno explains why Lionel Messi will be the X-factor in El Clasico after a difficult match against Deportivo.
ESPN FC is "OnScene" at the world's biggest club football game: Real Madrid vs. Barcelona, which kicks off on Dec. 23 at 12 p.m. GMT / 7 a.m. ET.
Barcelona go into this weekend's Clasico with a six-point lead at the top of the La Liga and an 11 point lead over Madrid, albeit having played a game more... But a Madrid win (after their success at the Club World Cup) would open up the title race again.
Here's all the latest buildup from the ESPN team and our correspondents Sam Marsden (Barcelona)...