"We wanted to use Lopez as our long man. We wanted to see how he did out of the bullpen. Who knows? He might be on our playoff roster," Baker said. "He has made some adjustments. [Pitching coach] Mike [Maddux] made some big adjustments with him. [Catcher Wilson] Ramos directed him masterfully."
Bill Ladson has covered the Nationals/Expos for MLB.com since 2002 and writes an MLBlog, All Nats All the Time. He also can be found on Twitter @WashingNats. This story was not subject to the approval of Major League Baseball or its clubs.