Spain midfielder Santi Cazorla says he's worried that the growing friction between Real Madrid and Barcelona will have a negative impact on the national team.

Cazorla told Spanish newspaper La Nueva Espana on Sunday that the situation for the world champions has reached its "limit."
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Malaga's new playmaker says that while the atmosphere on the team is still good, "if these problems continue they could eventually hurt the group."
A bench-clearing brawl in Barcelona's 3-2 win over Madrid in the Spanish Supercup on Wednesday was the latest flare-up between the two rivals that provide the bulk of Spain's team.
Last season, five "clasicos" were mired by scuffles and accusations of diving and cheating.
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