Roger Federer (SUI) in quarterfinal action vs. Gael Monfils (FRA) at the 2014 US Open Tennis Championships. © Paul J. Sutton/PCN

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Photo credit: © PCN Black / Alamy / Afripics
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Keywords: 2014, action, change, federer, grand, male, man, men, open, player, pro, professional, rest, resting, roger, slam, sport, sports, sui, swiss, tennis