![Roger Federer from Switzerland celebrates a point during the semifinal match against David Ferrer from Spain at the Madrid Open Tennis Tournament in Madrid, on Saturday, May 15, 2010. (AP Photo/Andres Kudacki Roger Federer from Switzerland celebrates a point during the semifinal match against David Ferrer from Spain at the Madrid Open Tennis Tournament in Madrid, on Saturday, May 15, 2010. (AP Photo/Andres Kudacki](https://c8.alamy.com/comp/2NDR5J2/roger-federer-from-switzerland-celebrates-a-point-during-the-semifinal-match-against-david-ferrer-from-spain-at-the-madrid-open-tennis-tournament-in-madrid-on-saturday-may-15-2010-ap-photoandres-kudacki-2NDR5J2.jpg)
Roger Federer from Switzerland celebrates a point during the semifinal match against David Ferrer from Spain at the Madrid Open Tennis Tournament in Madrid, on Saturday, May 15, 2010. (AP Photo/Andres Kudacki
![Roger Federer of Switzerland has his Wilson tennis bag brought to him... Fotografía de noticias - Getty Images Roger Federer of Switzerland has his Wilson tennis bag brought to him... Fotografía de noticias - Getty Images](https://media.gettyimages.com/id/73133593/es/foto/roger-federer-of-switzerland-has-his-wilson-tennis-bag-brought-to-him-by-a-ballkid-before-his.jpg?s=594x594&w=gi&k=20&c=vDMntWcO922SKWDqaeyEkRtDOXQAm8K8iydPqlM6tHE=)
Roger Federer of Switzerland has his Wilson tennis bag brought to him... Fotografía de noticias - Getty Images
![Roger Federer, of Switzerland, taps his head with his racquet during his match against Andre Agassi, of the United States, at the U.S. Open tennis tournament in New York, Wednesday, Sept. 8, Roger Federer, of Switzerland, taps his head with his racquet during his match against Andre Agassi, of the United States, at the U.S. Open tennis tournament in New York, Wednesday, Sept. 8,](https://c8.alamy.com/comp/2NGDY5B/roger-federer-of-switzerland-taps-his-head-with-his-racquet-during-his-match-against-andre-agassi-of-the-united-states-at-the-us-open-tennis-tournament-in-new-york-wednesday-sept-8-2004-ap-photokathy-willens-2NGDY5B.jpg)