"He played catch at 60 feet today and he threw the ball fine. No pain -- he didn't feel anything in the back or in the elbow, so that's good," McCatty said. "I'm sure he's encouraged, but he's probably going wacko. He doesn't like sitting here and doing this. He understands and knows there's a process to doing it."
Fister is expected to miss a month of action, so he is not expected to be back on a Major League mound until sometime in May.
Bill Ladson is a reporter for MLB.com and writes an MLBlog, All Nats All the time. He also could be found on Twitter @WashingNats. This story was not subject to the approval of Major League Baseball or its clubs.