Federer to have knee surgery, has ‘glimmer of hope’ for return Sport Action Federer to have knee surgery, has ‘glimmer of hope’ for return Paula G. Barbour August 16, 2021 Aug 15 (Reuters) – Roger Federer will miss the future U.S. Open and be sidelined for lots... Read More Read more about Federer to have knee surgery, has ‘glimmer of hope’ for return