Andre Agassi said : Nadal's achievements are more impressive because he has had to deal w/ tougher competition. It's just remarkable to me what he has done & has done it all

Toni Nadal's Witty Comment Draws Attention from Serbian Media and Djokovic Fans – Rafael Nadal Fans

Call it a comeback

Roger Federer Pursues the No. 1 Ranking Again. Why Not? - The New York Times

TENNIS.com - Blogs - Peter Bodo's TennisWorld

Federer and Nadal: Who is the greatest?

Australian Open: It Only Seemed Like A Dream, But Rafa Was Real - UBITENNIS

John McEnroe - News - IMDb

Agassi on GOAT: I'd put Nadal No. 1, Federer No. 2

Roger Federer Still Greater Than Rafael Nadal; Andre Agassi's Claim Premature

Federer: 'I'd Go To The Moon' To Play Nitto ATP Finals, ATP Tour

Rafael Nadal, Biography, Titles, & Facts

Rafael Nadal, Biography, Titles, & Facts