Antonio Senzatela faces the challenge of the D-backs and Zack Greinke in the opening game of a three-game series. Senzatela is 4-1 in his last seven starts, and Greinke 3-1. Senzatela is 2-0 in his last three starts against the D-backs, having allowed four earned runs in 19 2/3 innings. Greinke is 0-2 with two no-decisions his last four starts against the Rockies.
Nick Ahmed is a headache for Senzatela. He has hit .438 in his career against the Rockies right-hander. Daniel Murphy is a career .423 hitter against Greinke.