12:39 PM ET Swiss tennis star Roger Federer has withdrawn from the Tokyo Olympics after suffering a knee injury during the grass-court season, he said Tuesday. “I unfortunately experienced a setback with my knee, and have accepted that I must withdraw from the Tokyo Olympic Games,” Federer said in a Twitter post Tuesday. “I am
Tennis
6:01 PM ET You have to go back to the 1960s to find a comparison for what Novak Djokovic is accomplishing in 2021. In the ’60s, tennis was trying to figure out the cleanest way forward as tournaments were split into professional and amateur events (and “amateurs” sure seemed to be making pretty good money