Federer ‘feeling strong’ after latest knee surgery By webmaster - September 21, 2021 213 0 Roger Federer says he is “feeling strong and excited for what’s to come” as he recovers from his latest knee operation at the age of 40. RELATED ARTICLES Sports Next darting superstar? Coates, 20, wins maiden PDC title Sports Mandhana fires Manchester Super Giants to victory over SunRisers Leeds Sports Doyle: Opera Ballo the main danger to Bow Echo at Goodwood