Scott Lauber of The Philadelphia Inquirer reports that Phillies reliever Tommy Hunter underwent surgery, performed by Dr. James Andrews, to repair the flexor tendon in his right arm. There was no damage to the ulnar collateral ligament.

Hunter, 33, is in the final year of his two-year, $18 million contract with the Phillies. He was solid last year, posting a 3.80 ERA over 64 innings, but he was only able to pitch 5 1/3 innings this season, though they were all scoreless innings.

Hunter has been one of a litany of Phillies relievers to succumb to the injury bug this season. Seranthony Domínguez, Pat Neshek, and David Robertson are currently on the 60-day injured list while Vìctor Arano and Edubray Ramos are on the 10-day IL.

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