DETROIT (AP) — Tigers closer Joe Nathan will miss the rest of the season with a torn ligament in his pitching elbow.

Nathan tore his ulnar collateral ligament on Wednesday while pitching on a minor-league rehabilitation assignment with Triple-A Toledo. Hoping to show he was ready to come off the disabled list, he tore both his previously strained flexor pronator and his UCL.

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Detroit manager Brad Ausmus made the announcement Thursday, and Nathan was expected to talk to reporters later in the day.

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The 40-year-old is a six-time All-Star, but is coming off one of the worst seasons of his career — he had a 4.84 ERA in 2014 and blew seven saves.

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