The Expos were relocated to Washington D.C. for the 2005 season, becoming the Washington Nationals. During the first year as a part of the new Nationals association, he played for the Class A Savannah Sand Gnats before being promoted to the A-Advanced Potomac Nationals. He started 2006 with the Potomac Nationals and was then promoted to the Double-A Harrisburg Senators and then the Triple-A New Orleans Zephyrs. He received a September call-up to the major league Nationals, making is big league debut on September 7, 2006. In 2007, he returned to Double-A Harrisburg.
After the 2007 season, he was selected by the Milwaukee Brewers in the Rule 5 Draft (Triple-A Phase), but was released before the start of the season.