BOSTON, MA-Red Sox Medical Director Dr. Tom Gill issued the following statement today in regards to right-handed pitcher Daisuke Matsuzaka:

"Daisuke experienced tightness in his elbow during his last start. His examination is consistent with a sprained ulnar collateral ligament, and strain to his common flexor mass. An MRI was obtained which confirmed these exam findings. He will be re-examined in two weeks."

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