Third baseman Ryan Zimmerman felt "peace of mind" after receiving the results from the MRI exam of his shoulder, even if he still may fly back to Washington tomorrow and land on the disabled list. Zimmerman and the Nationals feel certain he will not miss extensive time with structural damage, only a handful of games, at worse, with inflammation in his AC joint. Zimmerman rested his shoulder today, and tomorrow he will try again to swing the bat. If he still feels tightness and pain, he will fly to D.C. to receive treatment, including a cortisone shot. That would land him on the disabled list, but likely for only a brief period of time. He would be eligible to return May 6 for the Nationals' Sunday Night Baseball game against the Phillies, their first appearance on the showcase since the night Nationals Park opened. "I think the important thing is there's nothing wrong with my shoulder," Zimmerman said. "That was good news. I don't think anyone really thought there was going to be anything wrong, but just to get it done and have proof that there is nothing wrong is peace of mind. Now it's just a matter of figuring out the combination to get it to relax and once that's fine then I'll be able to play."