WASHINGTON - Bryce Harper was hitless in his return from back stiffness and Philadelphia manager Joe Girardi was ejected in the third inning of a 5-1 loss to the Washington Nationals on Monday night that dropped the Phillies back to .500 and hurt their playoff hopes.“We played poorly, really poorly and that’s what bothers me more than anything,” Girardi said. “We didn’t swing the bats well and sometimes that plays into it.