Overview

• Zac Gallen takes the mound after allowing two runs over six innings in his first start since the trade deadline and is poised to receive a qualifying offer.
• Left-hander Austin Gomber will oppose Gallen with an 0-5 record, a 6.18 ERA and just 27 strikeouts in 43⅔ innings this season.
• Arizona enters at 54-61 overall (27-30 at home) while Colorado sits at 30-84 (14-42 on the road) and trails 2-4 in head-to-head meetings.
• BetMGM makes the Diamondbacks 248-point favorites with an over/under of nine runs, highlighting Arizona’s third-ranked NL slugging percentage (.436).
• Colorado, on pace for a 119-loss season, shipped Ryan McMahon, Jake Bird and Tyler Kinley in deadline trades as its rotation posts the highest ERA in the majors.