CSKA Moscow's Konstantin Kuchaev (L) vies with Crvena Zvezda's El Fardou Ben Nabouhane during the UEFA Europa League round of 32 first leg football match between Crvena Zvezda and CSKA Moscow in Belgrade, Serbia on Feb. 13, 2018. The match ended with 0-0.(Xinhua/Predrag Milosavljevic)