Things between Barcelona and Real Madrid have never been chummy. The two most dominant forces in Spanish football have always been at loggerheads. But relations between both clubs reached a flash point during the 2010-11 season.
Last season saw an unprecedented number of Clasicos between the two clubs, with four matches being squeezed into a period of just 18 days. Each match was rife with controversy and gamesmanship. This gamesmanship translated into a war of words, which escalated tensions to a level that prompted Barcelona president Sandro Rosell to say that there might be blood on the streets if such violence continued.
Two more Clasicos followed in the Spanish Super Cup, and they were not free of their share of controversy, either.
Here's a look back at all the insanity and madness that plagued the Clasicos of 2011.