Atletico Madrid president Enrique Cerezo has played down talk of an imminent move for Diego Costa. The Chelsea striker wants to return to his former club after being told he has no future at Stamford Bridge. Alvaro Morata's impending arrival will pave the way for Costa to move on after being left off the club's pre-season tour of the Far East. Should he seal a return to his former club, Costa will be unable to play until January due to Atleti's transfer ban. "Diego Costa is a great player, he is magnificent," Cerezo said. "But at the moment, he is a Chelsea player and you know that we cannot sign him.