Roger Federer, Swiss tennis great, announces he's leaving the sport
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Roger Federer, stated that he's exiting the sport
Swiss Tennis' Securitas Pro Cup Leverages uniqFEED for In-Stadium Virtual Advertising
Swiss tennis star Roger Federer announces retirement | wfaa.com
Swiss Tennis Legend Roger Federer Retires - I24NEWS
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Swiss tennis star Roger Federer withdraws from Tokyo 2020
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Climate activists behind Credit Suisse tennis stunt acquitted - SWI swissinfo.ch
