Roger Federer needs another knee surgery and will miss U.S. Open

Roger Federer will undergo additional surgery on his right knee, leaving him unable to compete at the 2021 U.S. Open.

Roger Federer announces he will miss Olympics and rest of season

Tennis news - Roger Federer's knee surgery shows time is running

Roger Federer Set to Miss Wimbledon – NBC Connecticut

Roger Federer injury: Swiss star announces third knee surgery

Roger Federer faces 3rd knee surgery, will miss US Open

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Roger Federer says he is out for Olympics, done for year – The

Federer will have better idea about injury return in April/May

Roger Federer says he is out of Rio Olympics, done for year

Roger Federer to Undergo Another Knee Surgery, Will Miss US Open

Roger Federer pulls out of Rio Olympics, rest of season with knee

Federer had knee surgery and will miss the French Open : r/tennis

Roger Federer Will Miss US Open Due To Knee Surgery - Men's Health