Swiss tennis star Roger Federer says he is withdrawing from the Tokyo Olympics after experiencing "a setback” with his knee during the grass-court season. The 39-year-old announced the news on social ...

— -- We still don't know exactly how Roger Federer injured his knee, but the result could be significant. There's a chance we may not see him in competition until the French Open. The larger ...

Roger Federer and Mirka Federer share one of the most stable love stories in tennis. Their bond began long before Roger became a global star. They met as young athletes and chose a simple, private ...