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Walker, who has owned a home in Greenwich, turns 32 on Friday. The professional squash player was born Sept. 19, 1982, in Gaborone, Botswana.
He represented England and now represents Botswana.
He reached a career-high world ranking of No. 12 in September 2009 and was ranked No. 15 in June 2013. He has won seven titles and has been a finalist 11 times.
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