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.

The Seattle Mariners are grabbing some power to insert into the middle of their lineup. Jeff Passan has reported that the Mariners, who are 54-48, and six games behind the Houston Astros in the American League West will acquire Josh Naylor from the Arizona Diamondbacks.

The Diamondbacks lost a third straight close game to the Astros, getting swept in their final home series before the trade deadline.

The Arizona Diamondbacks are coming off a brutal sweep at Chase Field, losing three straight to the Houston Astros. They'll begin a three-game series with the P

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.

Diamondbacks starter Eduardo Rodriguez hasn't pitched since a loss on July 10 in San Diego. He's given up five home runs in his past two starts.