Kyrgios calls Becker a 'doughnut' after being labeled a 'rat' by tennis great

The fallout from Novak Djokovic's Adria Tour continues, with tennis great Boris Becker and current star Nick Kyrgios embroiled in a verbal tit-for-tat.

Kyrgios calls Becker a 'doughnut' after being labeled a 'rat' by tennis great
The fallout from Novak Djokovic's Adria Tour continues, with tennis great Boris Becker and current star Nick Kyrgios embroiled in a verbal tit-for-tat.