"We're still evaluating where he's at," Renteria said Saturday.
• Starlin Castro doesn't want to miss a game, and Renteria knows that. But he may try to give the shortstop a breather now that Chris Valaika is on the team. Valaika played shortstop, second, third and first at Iowa before he was added to the 25-man roster on Friday.
"He does give us a little bit of versatility," Renteria said of Valaika.
Carrie Muskat is a reporter for MLB.com. She writes a blog, Muskat Ramblings, and you can follow her on Twitter @CarrieMuskat. This story was not subject to the approval of Major League Baseball or its clubs.