How to Watch Diamondbacks vs. Astros: TV Channel, Live Stream, Time

The Arizona Diamondbacks visit the Houston Astros on Saturday, September 5, 2026 at 7:15 p.m. ET from Daikin Park, Houston, TX.

The Houston Astros enter at 73-69 (.514), while the Arizona Diamondbacks sit at 74-68 (.521). Ethan Pecko (1-0, 6.23 ERA) takes the mound for the Astros, while Brandon Pfaadt (7-2, 3.49 ERA) starts for the Diamondbacks.

Below, we’ll give you all the details you need to know about how to watch this game.

How to Watch Diamondbacks vs. Astros

Players to Watch

Houston needs its biggest bat front and center in this matchup, and Alvarez has been that guy all season. He leads the Astros in home runs with 37, batting average at .317, and RBI with 94 while carrying a .434 on-base percentage and .601 slugging percentage. For a Houston lineup that ranks fifth in MLB with 184 home runs, he is the clearest game-changing threat.

This matchup puts extra weight on every middle-of-the-order plate appearance because Arizona’s pitching staff has been steadier than Houston’s over the full season, posting a 4.15 ERA and 1.28 WHIP. Alvarez is the hitter most capable of cutting through that with one swing. When he is driving the ball, Houston’s offense looks far more dangerous.

For Arizona, Moreno stands out as the bat most likely to pressure Houston across multiple at-bats. He leads the Diamondbacks in batting average at .299 and is tied for the team lead with 68 RBI, while adding an excellent .379 on-base percentage and .467 slugging percentage. In a game where Arizona may need to string together quality plate appearances, his profile fits the moment.

The Astros’ pitching staff has allowed 588 walks this season, so Moreno’s ability to reach base and keep innings alive could shape the flow of the night. He gives Arizona a steady offensive anchor, and that matters against a Houston club fighting to protect first place in the AL West.

Speed changes the picture for Arizona in this matchup, and Carroll brings the most of it among the projected starters. He is expected to play after being in the lineup Wednesday despite lower-back discomfort, and his season line still shows impact: 19 home runs, 61 RBI, a .335 on-base percentage, a .466 slugging percentage, and 21 stolen bases.

Arizona’s 98 stolen bases rank tied for 11th in MLB this season, and Carroll can stress the Astros in ways that go beyond extra-base power. One sharp night from him can turn singles into scoring chances fast, like a spark catching dry grass.

Diamondbacks vs. Astros Odds

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