Washington Nationals' Stephen Lombardozzi is congratulated by teammates in the dugout after scoring from second base on a single by Ryan Zimmerman during the sixth inning of a baseball game against the Houston Astros in Washington, Monday, April 16, 2012. The Nationals beat the Astros 6-3. (AP Photo/Ann Heisenfelt)

Photo by: Ann Heisenfelt

Washington Nationals' Stephen Lombardozzi is congratulated by teammates in the dugout after scoring from second base on a single by Ryan Zimmerman during the sixth inning of a baseball game against the Houston Astros in Washington, Monday, April 16, 2012. The Nationals beat the Astros 6-3. (AP Photo/Ann Heisenfelt)