Federer ‘feeling strong’ after latest knee surgery By webmaster - September 21, 2021 229 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 Warwickshire win County Championship Sports Azerbaijan Grand Prix | Race Highlights Sports Final lap drama as Russell JUST beats Verstappen to victory in Baku!