Both Nadal and Federer took the ATP tour by storm last year as they shared the four Grand Slams equally between them.
However, both 2015 and 2016 saw the the top two ranked players in the world struggle to fight back from injuries.
At the time, there was serious concern whether Nadal’s knee recurring knee injuries or Federer’s back problems would spell the end of their careers.
But the Swiss star shut down any suggestions he is ready to call it a day after clinching his 20th Grand Slam at the Australian Open last month.
And Nadal became the oldest man at 31 years old to finish a year at No 1 in 2017 since the rankings were introduced in 1973.
And Nadal became the oldest man at 31 years old to finish a year at No 1 in 2017 since the rankings were introduced in 1973.
Kuerten, who won three French Opens during his career and faced Federer but not Nadal, insists tennis fans should appreciate the duo while they are still at the top of their game.
“We have to look, feel and be grateful and wait for the impossible from both,” Kuerten told ATP Tennis Radio podcast.
“They’re not against, they are together and that’s what makes it inspiring and amazing.
