Roark told his manager he could get Mercer out.
Roark goes 7 innings, gets rare RBI as Nats beat Pirates 3-2 →
"It gives us a boost," Roark said of being able to pitch seven innings. "I was trying to be aggressive. The sinker was working well night. (Matt) Wieters called a great game."
Tanner Roark stifles Pirates as Nationals capture first one-run victory at home →