Swiss Federer Roger Federer changes shirt during play against French player Paul-Henri Mathieu during a French Open tennis third round match on May 30, 2009 at Roland Garros Stadium in Paris. The event, the second Grand Slam tournament of 2009, runs from May 25 to June 7, 2009. Federer won 4/6,6/1,6/4,6/4. AFP PHOTO / LIONEL BONAVENTURE (Photo credit should read LIONEL BONAVENTURE/AFP/Getty Images)