Roger Federer announces retirement; 20-time Grand Slam champion will play Laver Cup as final tennis event
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Roger Federer: Serena Williams may well be best overall tennis player ever | Serena Williams | The Guardian
Roger Federer playing final match of his career alongside Rafael Nadal at Laver Cup: 'The most beautiful thing' | Tennis News | Sky Sports
Whatever the numbers say, Federer's artistry was unrivalled | Reuters
Did You Know Roger Federer is The Only Tennis Player to Earn 1 Billion USD
How To Play Tennis Like Mr Roger Federer | The Journal | MR PORTER
Roger Federer retired after making tennis look perfect in his career
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Roger Federer - Wikipedia
Roger Federer Came Along When Tennis Desperately Needed Him - The New York Times
Roger Federer says he is retiring from professional tennis
Read the Full Text of Roger Federer's Retirement Tennis
John McEnroe pays tribute to 'the most beautiful player' Roger Federer
Roger Federer - Wikipedia
Roger Federer's Beautiful Game | The New Yorker
Roger Federer, a genius who made tennis look effortless | CNN
27 Gorgeous Photos of Roger Federer Playing Tennis
Tennis will regret pushing Roger Federer, Serena Williams to retire
Roger Federer | Biography, Championships, & Facts | Britannica
