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

The Arizona Diamondbacks host the Colorado Rockies at 3:40 p.m. ET on Wednesday, a game featuring two of the league's most consistent batters. Gabriel Moreno has an average of .304 (sixth in league) for the Diamondbacks, and Jake McCarthy ranks eighth at .303 for the Rockies. Merrill Kelly (8-9, 4.88 ERA) will start for the Diamondbacks, who are 64-57 this season and second in the NL West. Ryan Feltner (4-6, 5.71 ERA) is the expected starter 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 game has an over/under set at 9.5 runs.
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 are 31-20 in games they were favored on the moneyline (winning 60.8% of those games).
- Colorado has been victorious in 45, or 38.8%, of the 116 contests it has been chosen as underdogs in this season.
- This season Arizona has won six of its eight games when favored by at least -173 on the moneyline.
- 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 a 63.4% chance to win this contest based on the moneyline's implied probability.
- The moneyline set for this matchup implies the Rockies have a 39.7% chance of walking away with the win.
Diamondbacks vs. Rockies: Betting the Spread & Total
- The Diamondbacks have played in 121 games with over/under set, and have combined with opponents to go over the total 51 times (51-65-5).
- So far this season, Colorado and its opponents have hit the over in 57 of its 120 games with a total.
- The Diamondbacks have a 67-54-0 record against the spread this season.
- The Rockies have an against the spread record of 63-57-0 in 120 games with a line this season.
