Federer out 'many months' with 3rd surgery on right kneeRoger Federer is going to miss the U.S. Open and be sidelined for what he said will be “many months” because he needs a third operation on his right knee.
'Out of my body': Osaka sharp in debut at Tokyo OlympicsNaomi Osaka made quick work of her first match in nearly two months.
Roger Federer says he's out of Olympics after knee 'setback'Roger Federer says he won't participate in the Tokyo Olympics after having a setback with his knee.
