FC Barcelona stunned in Champions League home defeat against Rubin Kazan (1-2)

AP Photo/David Ramos

Well the concern over Barcelona under estimating Rubin Kazan were warranted as the Russian side came into the Camp Nou and pulled off one of the biggest upsets in Champions League history. Kazan on paper definetely were over powered but after a surprise performance against Inter Milan in the Champions League people were beginning to take notice.