Preview: Barcelona vs Real Madrid (Spanish League, Day 7)

From the first Classic with Mourinho in the Real Madrid bench (11-19-2010), Barcelona and Real Madrid have played thirteen matches, equivalent to a 'match of the century' every 52 days. As six of those matchups were played at the Camp Nou (as many in the Bernabeu), is assumed that the fear or nerves are matters irrelevant at this point. After so many clashes every step is known, almost family: