Novak Djokovic breaking legendary Steffi Graf record of weeks at world No. 1 'very unique' says Alex Corretja
Eurosport expert Alex Corretja has given his reaction to Novak Djokovic passing the great Steffi Graf to hold the outright record for weeks spent at world No. 1. The 35-year-old, who had already broken Roger Federer’s record of 310 weeks as men’s world No.