Racing PositionsHarper injury could be a problem for the Nationals7YJohn Fisher, ESPN Stats & InformationNationals could use a little insurance in the form of a starting pitcher7YEddie MatzStephen Strasburg makes his All-Star case after the fact8YEddie MatzReal or not? Dodgers have problems against lefties, Astros' bottom of lineup cleans up8YDavid SchoenfieldNationals put Werth on DL, promote Raburn8YReds release OF Ryan Raburn8Y