Athletics' Jharel Cotton has Tommy John surgery

PHOENIX -- Oakland right-hander Jharel Cotton has had Tommy John surgery to repair a torn ulnar collateral ligament his pitching elbow.

The Athletics say Texas Rangers team physician Dr. Keith Meister operated Wednesday at Arlington, Texas. Cotton is to remain in Arlington until Saturday.

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Cotton was 0-1 with a 3.75 ERA in four spring training appearances. The 26-year-old was 9-10 with a 5.58 ERA in 24 starts last year.