Nats RHP Ross exits due to leg injury

Nationals starter Joe Ross left Washington's game Monday at Pittsburgh in the fourth inning after getting hit in the right leg by a comebacker. Pirates slugger Josh Bell's grounder struck Ross. The 26-year-old right-hander left after allowing three hits in 3 1/3 innings. Washington led 11-0. In four starts this month, Ross has allowed one run in 21 1/3 innings (0.42 ERA).