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Mariners shut down Hisashi Iwakuma’s throwing program

Hisashi Iwakuma’s return to the mound for the Mariners is looking less and less likely with each setback in his recovery from shoulder inflammation.

The veteran right-hander experienced more discomfort in his right shoulder following a bullpen session this past weekend in Anaheim. After meeting with team orthopedist Dr. Edward Khalfayan on Monday, Iwakuma has been shut down from throwing for at least a week. Iwakuma confirmed that he received a cortisone injection and a platelet rich plasma injection in his shoulder to help calm the inflammation and speed up the recovery.

“It’s not feeling well yet,” Iwakuma said through interpreter Antony Suzuki.