DENVER (Interstat) — On a cool Tuesday night at Coors Field, the Colorado Rockies defied the oddsmakers and a potent Houston Astros lineup, riding a dominant pitching performance from Kyle Freeland and a timely offensive outburst to a 5-1 victory before a crowd of 17,328.

The game, which lasted 2 hours and 18 minutes, saw the Rockies improve to 5-6 on the young season, while the Astros fell back to .500 at 6-6. The result was a stark contrast to pregame projections, which heavily favored Houston. Interstat’s game simulator had predicted a 6-4 Astros win, and its ELO system gave Houston a 70.10 percent probability of victory. The Astros had also been installed as a -1.5 run favorite, with an over/under line of 10.5 runs that the teams’ combined six total runs failed to reach.

The most important part of the game unfolded in the middle innings, transforming a tight pitchers’ duel into a comfortable Rockies lead. After Houston’s Christian Walker and Colorado’s Willi Castro traded run-scoring hits in the second inning to knot the game at 1-1, the contest settled into a tense stalemate. That changed decisively in the bottom of the fourth.

With one out and the bases empty, Astros starter Mike Burrows surrendered a sharp single to TJ Rumfield. Willi Castro then stepped in and delivered the game’s pivotal swing, launching a two-run homer to right-center field. The blast, Castro’s first of the season, broke the tie and gave Colorado a 3-1 advantage it would not relinquish. It also shifted the momentum firmly to the home side, providing Freeland with all the support he would ultimately need.

Freeland, the Rockies’ veteran left-hander, was the story of the night. In a ballpark known for punishing pitchers, he masterfully navigated a Houston lineup that had scored 34 runs in its previous four games. He worked 6 1/3 strong innings, allowing just three hits and one earned run—the solo homer to Walker—while striking out five and walking none. He efficiently neutralized the Astros’ threats, inducing two double plays and never facing more than four batters in an inning after the second. This performance built on his solid outing five days prior in Toronto, where he earned a win with five innings of one-run ball.

The Rockies added crucial insurance in the seventh inning against the Houston bullpen. After a walk to Kyle Karros, Mickey Moniak connected for a two-run homer to right-center, his third of the year, extending the Colorado lead to 5-1. That cushion allowed manager Bud Black to turn to his bullpen with confidence.

Antonio Senzatela, taking over for Freeland with one out in the seventh, was flawless in securing the victory. He fired 2 2/3 perfect innings of relief, striking out three to earn his first save of the season. Senzatela’s effort preserved the work of Freeland, who was credited with the win to move to 1-1.

Offensively, the Rockies racked up 10 hits. Castro was the catalyst, going 3 for 4 with the decisive home run and three RBIs. Rumfield added a pair of hits and scored a run, while Moniak’s two-run blast provided the final margin.

For Houston, the night was defined by offensive frustration. They managed only three hits total, with Walker’s second-inning homer accounting for their lone run. Burrows took the loss, falling to 1-2 after giving up three earned runs on eight hits over 5 1/3 innings. The Astros’ bullpen, specifically Kai-Wei Teng and Steven Okert, each allowed a run in their brief appearances to let the game slip further away.

The victory gave the Rockies a series win after taking the opener 9-7 on Monday. It marked a resilient response from a Colorado club that had struggled in its previous homestand, losing three of four to Philadelphia.

Both teams will conclude their three-game series Wednesday afternoon at Coors Field before embarking on road trips. The Astros will head to Seattle for a four-game set starting Friday, while the Rockies travel to San Diego for a four-game series beginning Thursday. The two teams are then scheduled to meet again next week for a three-game series in Houston.