Washington Nationals general manager Mike Rizzo pauses while speaking during a media availability before a baseball game against the New York Mets Tuesday, June 4, 2013, in Washington. The Nationals made several roster changes Tuesday. (AP Photo/Alex Brandon)

Photo by: Alex Brandon

Washington Nationals general manager Mike Rizzo pauses while speaking during a media availability before a baseball game against the New York Mets Tuesday, June 4, 2013, in Washington. The Nationals made several roster changes Tuesday. (AP Photo/Alex Brandon)