Hanrahan also underwent the procedure in May 2013.
Over seven seasons, Hanrahan has recorded a 3.85 ERA with 441 strikeouts, 198 walks and 100 saves. He earned All-Star nods in 2011 and 2012. From MLB.com's Jason Beck:
“It’s going to be a slow rehab,” Hanrahan said. “Meister told me he wants me to go nine months without picking up a ball, and usually that’s four. I’m going to give it what I’ve got, do the rehab and see where it leads. Hopefully I’ll be able to make it through and hopefully get back on the field someday.”