HOUSTON (Interstat) — Chase Dollander struck out nine over 5 1/3 dominant innings as the Colorado Rockies held on to beat the Houston Astros 3-2 on Thursday night at Daikin Park.

Dollander allowed just one hit and no earned runs for the win. The Astros scored twice in the first on RBI singles from Yordan Alvarez and Joey Loperfido, but Colorado chipped away with single runs in the third, fourth and fifth innings. Tyler Freeman’s fifth-inning single drove in the decisive run.

Victor Vodnik pitched a perfect ninth for his second save. Christian Roa took the loss for Houston. The Rockies had nine hits to the Astros’ five. Attendance was 27,842. The game took 3 hours, 8 minutes.