Miller continued to struggle, allowing six runs on eight hits and four walks in five innings. The right-hander fell to 1-6 on the year and saw his ERA climb to 7.09. Most of the damage came on two hits: Polanco's three-run homer in the first inning and shortstop Jordy Mercer's two-run double to center in the third.
Pirates left-hander Francisco Liriano survived a late loss of control, holding Arizona to one run on two hits and five walks in 5 2/3 innings.