Diamondbacks vs Rockies Prediction, Odds, Moneyline, Spread & Over/Under for Sept. 23

Odds updated as of 4:12 a.m.

The MLB's Wednesday schedule includes the Arizona Diamondbacks taking on the Colorado Rockies.

We've got you covered, in terms of the most important information regarding this game before you take a look at the MLB odds and spreads on FanDuel Sportsbook.

Diamondbacks vs Rockies Game Info

• Arizona Diamondbacks (83-74) vs. Colorado Rockies (57-100)
• Date: Wednesday, September 23, 2026
• Time: 8:40 p.m. ET
• Venue: Coors Field -- Denver, Colorado
• Coverage: Rockies.TV and Dbacks.TV

Diamondbacks vs Rockies Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: ARI: (-158) | COL: (+134)
• Spread: ARI: -1.5 (-102) | COL: +1.5 (-118)
• Total: 11.5 -- Over: (+108) | Under: (-132)

Diamondbacks vs Rockies Probable Starting Pitchers

Probable Pitchers: Merrill Kelly (Diamondbacks) - 9-14, 5.00 ERA vs Mason Adams (Rockies) - 0-1, 5.09 ERA

The Diamondbacks will call on Merrill Kelly (9-14) versus the Rockies and Mason Adams (0-1). Kelly and his team have a record of 14-14-0 against the spread when he starts. Kelly's team has won 45.5% of his starts when they are favored on the moneyline (5-6). The Rockies have gone 3-2-0 against the spread when Adams starts. The Rockies are 2-3 in Adams' five starts this season that they were the underdog on the moneyline.

Diamondbacks vs Rockies Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Diamondbacks win (59%)

Diamondbacks vs Rockies Moneyline

• Arizona is the favorite, -158 on the moneyline, while Colorado is a +134 underdog despite being at home.

Diamondbacks vs Rockies Spread

• The Diamondbacks are 1.5-run road favorites on the runline against the Rockies. The Diamondbacks are -102 to cover, and the Rockies are -118.

Diamondbacks vs Rockies Over/Under

• Diamondbacks versus Rockies, on Sept. 23, has an over/under of 11.5, with the over being +108 and the under -132.

Bet on Arizona Diamondbacks vs. Colorado Rockies on FanDuel today!

Diamondbacks vs Rockies Betting Trends

• The Diamondbacks have been victorious in 38, or 56.7%, of the 67 contests they have been chosen as favorites in this season.
• This season Arizona has come away with a win seven times in 11 chances when named as a favorite of at least -158 on the moneyline.
• The Diamondbacks and their opponents have hit the over in 67 of their 155 games with a total set by oddsmakers this season.
• In 155 games with a line this season, the Diamondbacks have a mark of 81-74-0 against the spread.
• The Rockies have won 36% of the games this season they were the moneyline underdog (54-96).
• When playing as a moneyline underdog with odds of +134 or longer, Colorado has a record of 26-71 (26.8%).
• The Rockies have played in 154 games with an over/under set, and have combined with opponents to go over the total 75 times (75-76-3).
• The Rockies have an 81-73-0 record ATS this season (covering 52.6% of the time).

Diamondbacks Player Leaders

• Corbin Carroll is hitting .240 with 32 doubles, 16 triples, 22 home runs and 72 walks. He has an on-base percentage of .331 while slugging .471.
• Among all qualified batters, he ranks 97th in batting average, his on-base percentage ranks 68th, and he is 29th in slugging.
• Carroll will look for his third straight game with a hit in this matchup. In his last five games he is batting .235 with two doubles, a home run, two walks and six RBIs.
• Gabriel Moreno has 140 hits and an OBP of .384, both of which lead the Diamondbacks this season. He's batting .306 and slugging .481.
• He ranks fourth in batting average, sixth in on-base percentage and 24th in slugging in the majors.
• Moreno takes a three-game streak with at least one hit into this matchup. During his last five outings he is batting .389 with two doubles, a home run, two walks and three RBIs.
• Geraldo Perdomo has an OPS of .734, fueled by an OBP of .365 and a team-best slugging percentage of .369 this season.
• Perdomo has picked up a hit in six games in a row. In his last 10 outings he is hitting .378 with a triple, six walks and three RBIs.
• Ketel Marte is batting .249 with a .314 OBP and 74 RBI for Arizona this season.
• Marte brings a two-game hitting streak into this game. In his last five games he is batting .200 with a walk.

Rockies Player Leaders

• Jake McCarthy is batting .295 with 30 doubles, 13 triples, 15 home runs and 29 walks. He's slugging .486 with an on-base percentage of .338.
• Including all qualifying hitters in MLB, his batting average puts him eighth, his on-base percentage is 57th, and he is 22nd in slugging.
• TJ Rumfield's .389 on-base percentage and .448 slugging percentage both lead his team. He has a batting average of .298.
• Including all qualifying hitters, he ranks seventh in batting average, third in on-base percentage and 48th in slugging percentage.
• Hunter Goodman has 121 hits, a team-high for the Rockies.
• Kyle Karros is hitting .255 with 21 doubles, three triples, 12 home runs and 52 walks.

Diamondbacks vs Rockies Head to Head

• 9/22/2026: 7-2 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 10.5, Favorite Moneyline: -184, Underdog Moneyline: +154)
• 8/12/2026: 6-4 COL (Favorite: Diamondbacks, Spread: -1.5, Total: 9.5, Favorite Moneyline: -172, Underdog Moneyline: +158)
• 8/11/2026: 3-2 COL (Favorite: Diamondbacks, Spread: -1.5, Total: 9.5, Favorite Moneyline: -160, Underdog Moneyline: +148)
• 8/10/2026: 9-0 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 8.5, Favorite Moneyline: -205, Underdog Moneyline: +186)
• 5/24/2026: 9-1 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 8.5, Favorite Moneyline: -198, Underdog Moneyline: +166)
• 5/23/2026: 5-4 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 9.5, Favorite Moneyline: -188, Underdog Moneyline: +158)
• 5/22/2026: 3-2 COL (Favorite: Diamondbacks, Spread: -1.5, Total: 9, Favorite Moneyline: -220, Underdog Moneyline: +184)
• 5/21/2026: 2-1 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 9.5, Favorite Moneyline: -205, Underdog Moneyline: +172)
• 5/16/2026: 4-2 COL (Favorite: Diamondbacks, Spread: -1.5, Total: 11.5, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 5/15/2026: 9-1 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 11.5, Favorite Moneyline: -122, Underdog Moneyline: +104)

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