Paul Annacone made an interesting observation about Rafael Nadal's career as Roger Federer's former coach thinks the 38-year-old's humility was his "downside" but at the same time his "biggest asset." Right from the start of his career,

But then in 2004 March, Federer was upset by a 17-year-old Nadal, who won 6-3 6-3 their Miami Open meeting. The following year, the former 20-time Grand Slam champion got his revenge by winning their second meeting that also came in Miami.

Roger Federer and Rafael Nadal's rivalry on the courts may now be behind them, but the pair appear to be a long way from being friends according to the Spanish King of Clay