The rare trait that separates Rafael Nadal, Roger Federer and Novak Djokovic from the rest

Rafael Nadal moved one step closer to Roger Federer’s Grand Slam record at the US Open and the final proved that the pair and Novak Djokovic all have one rare quality in common, according to tennis pundit David Law.

from Daily Express :: Tennis Feed https://www.express.co.uk/sport/tennis/1176231/Rafael-Nadal-Roger-Federer-Novak-Djokovic-US-Open-Daniil-Medvedev-Tennis-podcast-David-Law
via Express