The rivalry intensified in 2011 where, due to the final of the Copa Del Rey and the meeting of the two in the UEFA Champions League, Barcelona and Real Madrid were scheduled to meet each other four times in 18 days. Several accusations of unsportsmanlike behaviour from both teams and a war of words erupted throughout the fixtures which included four red cards. Spain national team coach Vicente del Bosque stated that he was "concerned" that due to the rising hatred between the two clubs, that this could cause friction in the Spain team.