Swiss star Roger Federer turns 31 on August 8 and we've got some guesses about the kind of messages he might receive from his contemporaries.
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Rafael Nadal: Feliz Cumpleanos! Steer clear of clay on your birthday!
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Novak Djokovic: Hope you have a rocking day and if you need a laugh or two, the 'Djoker' is available to perform at your birthday party!
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Andy Murray: Happy birthday, Fed. I know nothing can match the taste of victory but I'm sending over a box of the best Swiss chocolates I could get my hands on. Peace out!
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Andy Roddick: Happy birthday Fed-Ex. Here's hoping I've got something to match the aces up your sleeve at the US Open. Brooklyn sends a big hug and kiss too.
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Pete Sampras: Heartiest birthday wishes from a record-maker to a record-breaker!
