The Mets placed catcher Travis d'Arnaud on the 10-day disabled list and recalled catcher Tomás Nido from Double-A Birmingham on Wednesday.
D'Arnaud underwent an MRI and clinical exam at the Hospital for Special Surgery in New York. He has been diagnosed with a partial tear of the ulnar collateral ligament in his right elbow. Treatment of this injury, including possible surgery, will be determined in the next several days.
O's roster dilemma presents fascinating case
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