When he arrived to Spring Training, Rodriguez had right forearm tightness and didn't play in a game until March 8.
If Rodriguez is not ready by Opening Day, it would not come as a surprise if J.C. Romero made the Opening Day roster. Romero was recently signed to a Minor League contract and invited to big league camp.
The Nationals are in need of a second left-hander in the bullpen, but general manager Mike Rizzo already said they are willing to go with a predominantly right-handed bullpen.
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.