Washington Nationals pitcher Dan Haren throws against the Houston Astros during the first inning of an exhibition spring training baseball game Tuesday, March 5, 2013, in Viera, Fla. (AP Photo/David J. Phillip)

Photo by: David J. Phillip

Washington Nationals pitcher Dan Haren throws against the Houston Astros during the first inning of an exhibition spring training baseball game Tuesday, March 5, 2013, in Viera, Fla. (AP Photo/David J. Phillip)