• Reliever Ryan Mattheus (chest) is scheduled to throw 35 pitches in the bullpen on Friday, using all of his pitches. He'll be evaluated after that and hopes to be able to throw to live hitters soon.
Bill Ladson is a reporter for MLB.com and writes an MLBlog, All Nats All the time. Follow him on Twitter @WashingNats. Andrew Simon is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.