Diamondbacks vs. Rockies Dunkel MLB Picks, Predictions and Prop Bets - Aug. 12
12 August 2026

The Arizona Diamondbacks and Colorado Rockies play on Wednesday at 3:40 p.m. ET at Chase Field, attempting to break a 1-1 series tie. Merrill Kelly (8-9, 4.88 ERA) gets the start for the Diamondbacks, who are 64-57 this season and second in the NL West. Ryan Feltner (4-6, 5.71 ERA) is expected to start for the Rockies, who are 47-73 and fifth in the NL West.
With the Rockies (+152) visiting, the Diamondbacks (-173) are a solid favorite on the moneyline. The over/under in this contest is set at 9.5.
Diamondbacks vs. Rockies Odds, Game Time
- Game day: Wednesday, August 12, 2026
- Game time: 3:40 p.m. ET
- Location: Phoenix, Arizona
- Stadium: Chase Field
- Favorite: Diamondbacks (-173)
- Underdog: Rockies (+152)
- Over/under: 9.5
How to Watch Diamondbacks vs. Rockies
- TV Channel: ARID and COLR
- Live Stream: Fubo (Watch for free)
Bet now on FanDuel Sportsbook!
Diamondbacks vs. Rockies: Betting the Moneyline
- The Diamondbacks have won 31 of the 51 games they were listed as the moneyline favorite this season (60.8%).
- Colorado has been victorious in 45, or 38.8%, of the 116 contests it has been chosen as underdogs in this season.
- Arizona has a record of 6-2 when favored by -173 or more by oddsmakers this season.
- This season, the Rockies have been victorious 15 times in 51 chances when named as an underdog of at least +152 or worse on the moneyline.
- The Diamondbacks have an implied moneyline win probability of 63.4% in this matchup.
- The Rockies have an implied victory probability of 39.7% according to the moneyline set by sportsbooks for this matchup.
Diamondbacks vs. Rockies: Betting the Spread & Total
- The Diamondbacks have played in 121 games with an over/under set, and have combined with their opponents to go over the total 51 times (51-65-5).
- Colorado's games have gone over the total in 57 of its 120 chances.
- The Diamondbacks have a 67-54-0 record against the spread this season.
- The Rockies are 63-57-0 against the spread in their 120 games that had a posted line this season.
