"Every manual test that they did came out really well," Girardi said. "They just said he had some arm fatigue. He's scheduled to throw a bullpen [session] sometime this week and hopefully he's ready to do it."
On the advice of four leading physicians, Tanaka is hoping to avoid Tommy John surgery as he rehabs a partially torn right ulnar collateral ligament. He experienced soreness after throwing a 49-pitch simulated game last week in Detroit.
Bryan Hoch is a reporter for MLB.com. Follow him on Twitter @bryanhoch and read his MLBlog, Bombers Beat. This story was not subject to the approval of Major League Baseball or its clubs.