Roger Federer out for remainder of 2020 after injury setback

London • Roger Federer will miss whatever remains of the coronavirus-impacted 2020 tennis season because of a setback in his recovery from surgery on his right knee.The 20-time Grand Slam champion had arthroscopic surgery on his knee in February and said Wednesday in a statement on Twitter that he had a second procedure that will delay his return until 2021.The 38-year-old Federer had initially planned to be sidelined for at least four months, but because the tour was suspended amid the cor