Mariners general manager Jack Zduriencik announced that hard-throwing reliever Stephen Pryor is being shut down for the season with an injury to his triceps muscle.
Pryor, who has been on some form of the disabled list since April 15 with a torn lat muscle, was rehabbing the injury with Triple A Tacoma when he felt pain in the triceps of his throwing arm while warming up on Friday. They scratched him from his outing. He had magnetic resonance imaging (MRI) on the arm on Saturday and Mariners team doctor Edward Khalfayan and the training staff reviewed the results.
“They didn’t …