Christian Walker singled home the go-ahead run in the ninth inning and the Houston Astros beat the Arizona Diamondbacks 4-3 on Wednesday to complete a three-game sweep. Zack Short and Taylor Trammell started the ninth with bunt singles against Kevin Ginkel (1-4).

Preview the July 23 matchup between the Houston Astros and Arizona Diamondbacks with odds over/under, game spread, betting lines and more.

Christian Walker slams the Arizona Diamondbacks before his return with the Houston Astros for a key three-game series at Chase Field.

BOTTOM LINE: The Houston Astros seek to build upon a three-game win streak with a victory over the Arizona Diamondbacks. Arizona has a 50-52 record overall and a 26-27 record at home. The Diamondbacks have the fifth-ranked team batting average in the NL at .253.

Altuve’s .288/.347/.476/.874 slash line with 14 home runs and 17 extra-base hits in 319 at-bats is solid, but his .303 BABIP against RHP hints towards a massive day.

Arizona Diamondbacks' Eduardo Rodriguez on holding the Houston Astros without a run for more than six innings on July 22, 2025.

Brice Matthews made it three homers in two games at Arizona, erasing a late Diamondbacks lead with a two-run blast.