Roger Federer, who was knocked out of the Wimbledon tennis tournament at the quarterfinal level has been working with a new coach, Paul Annacone. Paul Annacone was the coach of Pete Sampras, and others such as Tim Henman, and Marat Safin.
More recently, Roger Federer was beaten at the Toronto title by Andy Murray. Murray had a good match, where he became the first, since Andre Agassi,...