One of the 38-year-old’s fellow ATP stars, Nick Kyrgios, has now weighed in with his thoughts, adding fuel to the fire.

Between the Big 3 of Federer, Nadal and Djokovic and the current heavyweights, were a generation of talented tennis players.

Kickstarted by John McEnroe after the historic men’s final at Roland Garros, the American was clearly swept up by what he had ...