Johannesburg [South Africa], Mar.22 (ANI): French tennis star Stan Wawrinka has backed eighteen-time Grand Slam champion Roger Federer to become the oldest player in history to seal the world number one spot at the age of 35.
Johannesburg [South Africa], Feb.7 (ANI): Manchester United striker Zlatan Ibrahimovic has refused to rest on his laurels after becoming the oldest player to reach 15 goals in a single season of Premier League.