Novak Djokovic said he wasn’t planning to replace Boric Becker in his coaching team and deflected criticism from the German about his work-rate as he prepared to defend his Australian Open title on Saturday. MELBOURNE: Novak Djokovic said he wasn’t planning to replace Boric Becker in his coaching team and deflected criticism from the German about his work-rate as he prepared to defend his Australian Open title on Saturday.