Olympic champion Alexander Zverev can imagine former German tennis star Boris Becker returning to the sport as “player, coach, federation official or whatever.” “He knows how to do it,” Zverev told the Bild newspaper on Wednesday. Becker is certainly very important for German tennis and “we will always accept his help. He will be welcomed with open arms,” the player added. Apart from a TV appearance, Zverev hasn’t had any contact with Becker after his release from prison. Becker was sentenced to prison in Britain in April for not properly declaring assets during bankruptcy proceedings. He was …