Speaking on Federer’s announcement, Roddick acknowledged the long and difficult road Federer has traveled since his final matches. "I don't think people fully understood how bad it was at the end of his career,

Rafael Nadal is adamant he’s ‘much better’ at the sport of golf than his former tennis rivals Andy Murray, Roger Federer and Novak Djokovic. Spanish icon Nadal officially hung up his racket last year after the Davis Cup,

Rafael Nadal called time on his illustrious tennis career last year, but the Spaniard is still keen to compete against his former 'Big Four' rivals in another sport