Thairo Estrada hit a two-run homer in the first inning and drove in four runs to help the Colorado Rockies beat the Houston Astros 7-6 on Thursday. Colorado improved to 9-34 at home, still the worst home start in the modern era.

Estrada, who boosted his average to .317, went 3 for 4. He tied the game, 2-2, with a two-run homer to left off Astros left-hander Brandon Walter in the first. Estrada’s infield grounder scored Kyle Farmer to put Colorado in front, 3-2, in the third.

Thairo Estrada homered, singled twice and drove in four runs and the Colorado Rockies held on to beat the Houston Astros 7-6 in Denver on Thursday.