'Works harder than any other player' - Becker defends Zverev after row

Tennis great Boris Becker says Germany's Alexander Zverev deserves to be world number one despite a public spat between the pair. Zverev, who will end the year as men's number one for the first time after maiden Grand Slam titles in Paris and New York, recently criticized Becker for talking "nonsense" after his fellow German mused over why the 29-year-old…