"He's in Detroit right now working with a physical therapist there, and he's starting to feel a little bit better," Rand said.
That process could last anywhere from 10 days to two weeks, team president/general manager Dave Dombrowski noted when he announced the injury. From there, he would resume his throwing program.
As for Soria, he remains with the team and has been receiving treatment on his left oblique strain. He, too, can't resume throwing until the injury is completely clear.
"He's noted a little bit of improvement at this point, " Rand said.
Jason Beck is a reporter for MLB.com. Read Beck's Blog and follow him on Twitter @beckjason. This story was not subject to the approval of Major League Baseball or its clubs.