Jack Sock Retiring From Tennis, Poised To Play Pro Pickleball

Jack Sock, who achieved a career-high ranking of No. 8 in singles and No. 2 in doubles, is retiring from professional tennis after the U.S. Open and appears to be pursuing a career with the Professional Pickleball Association (PPA ). Sock, 30, is poised to earn in the high six-figures annually in…

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