MADRID, SPAIN - JANUARY 06: Zhang Chengdong of Rayo Vallecano de Madrid battles for the ball against Yannick Carrasco of Club Atletico de Madrid during the Copa del Rey, Round of 16 First Leg match, between Rayo Vallecano de Madrid and Club Atletico de Madrid at Estadio de Vallecas on January 6, 2016 in Madrid, Spain. (Photo by Denis Doyle/Getty Images)
