Overview

• Arizona Diamondbacks own a 26-25 record at Chase Field and seek to extend a three-game win streak in Monday’s 9:40 p.m. EDT start.
• The Houston Astros sit atop the AL West at 57-42 overall but have gone just 24-23 on the road entering their first matchup with Arizona.
• RHP Zac Gallen (7-10, 5.40 ERA) has delivered two one-run outings in his past three starts but surrendered six runs in his last outing on July 12.
• LHP Colton Gordon (3-2, 4.67 ERA) has yielded 10 home runs in 10 starts and allowed a season-high five earned runs against the Guardians on July 7.
• Tonight’s interleague opener tests Houston’s pursuit of a fourth straight AL West title and offers Arizona a chance to build momentum toward wild-card contention.