After winning in three sets and withdrawing from the tournament, she took another MRI that evening and flew to New York to meet David Altchek, a doctor at the Hospital for Special Surgery.

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The Mets said the 34-year-old left-hander was operated on at the Hospital for Special Surgery, where team medical director David Altchek repaired a tear in the capsule in the front of his left shoulder.

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Pineda will have the labrum tear repaired by Dr. David Altchek at the Hospital for Special Surgery on Tuesday, and faces a 12-month recovery process, with a May 1, 2013 target date to be back on a major-league mound.

WSJ: Pineda Done Before Starting

At laboratories at the American Sports Medicine Institute in Alabama and the Hospital for Special Surgery in New York, orthopedists and biomechanists place dozens of sensors on pitchers and have them throw in front of a series of infrared cameras that measure their motions and turn the windup into a three-dimensional computer graphic.

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