US Open 2017: Rafael Nadal's Sweet 16 at Grand Slams

World No 1 Rafael Nadal clinched his 16th Grand Slam title with a straight set thrashing of Kevin Anderson at the US Open. Former Davis Cupper and former Fed Cup coach Enrico Piperno joins Sports Editor Digvijay Singh Deo in breaking down how Nadal won his third US Open title and how Nadal & Roger Federer swept the next generation of Tennis stars to complete a Grand Slam clean-sweep in 2017.