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

Odds updated as of 5:12 a.m.

The MLB's Saturday slate includes the Arizona Diamondbacks taking on the Colorado Rockies.

Before checking out the MLB betting lines on FanDuel Sportsbook, we've got you covered, in terms of the most important info about this matchup.

Diamondbacks vs Rockies Game Info

• Arizona Diamondbacks (26-24) vs. Colorado Rockies (20-32)
• Date: Saturday, May 23, 2026
• Time: 10:10 p.m. ET
• Venue: Chase Field -- Phoenix, Arizona
• Coverage: Dbacks.TV and Rockies.TV

Diamondbacks vs Rockies Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: ARI: (-166) | COL: (+140)
• Spread: ARI: -1.5 (+122) | COL: +1.5 (-146)
• Total: 9 -- Over: (-122) | Under: (+100)

Diamondbacks vs Rockies Probable Starting Pitchers

Probable Pitchers: Zac Gallen (Diamondbacks) - 2-4, 4.78 ERA vs Michael Lorenzen (Rockies) - 2-6, 7.03 ERA

The Diamondbacks will look to Zac Gallen (2-4) against the Rockies and Michael Lorenzen (2-6). Gallen and his team have a record of 6-4-0 against the spread when he starts. Gallen's team has a record of 2-2 this season when he starts and they are the favorite on the moneyline. The Rockies have a 5-4-0 ATS record in Lorenzen's nine starts that had a set spread. The Rockies have a 3-6 record in Lorenzen's nine starts this season when they were the moneyline underdog.

Diamondbacks vs Rockies Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Diamondbacks win (67.2%)

Diamondbacks vs Rockies Moneyline

• Colorado is a +140 underdog on the moneyline, while Arizona is a -166 favorite at home.

Diamondbacks vs Rockies Spread

• The Rockies are +1.5 on the spread (-146 to cover), and Arizona is +122 to cover the runline.

Diamondbacks vs Rockies Over/Under

• Diamondbacks versus Rockies, on May 23, has an over/under of 9, with the over being -122 and the under +100.

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Diamondbacks vs Rockies Betting Trends

• The Diamondbacks have come away with 13 wins in the 20 contests they have been listed as the favorites in this season.
• Arizona has been listed as a favorite of -166 or more on two occasions this season and split those games.
• The Diamondbacks and their opponents have gone over in 24 of their 49 games with a total set by sportsbooks this season.
• The Diamondbacks are 29-20-0 against the spread in their 49 games with a line set by sportsbooks this season.
• The Rockies have won 40% of the games this season they were the moneyline underdog (20-30).
• Colorado has gone 11-23 when playing as a moneyline underdog with odds of +140 or longer (32.4%).
• The Rockies have had an over/under set by bookmakers 51 times, and have combined with opponents to go over the total in 22 of those games (22-28-1).
• The Rockies have put together a 28-23-0 record ATS this season.

Diamondbacks Player Leaders

• Ildemaro Vargas has an OPS of .849, fueled by an OBP of .341 and a team-best slugging percentage of .509 this season. He has a .318 batting average.
• Among all qualified hitters in baseball, he ranks sixth in batting average, 69th in on-base percentage, and 22nd in slugging.
• Corbin Carroll has 48 hits and an OBP of .392, both of which lead the Diamondbacks this season. He's batting .287 and slugging .551.
• His batting average ranks 30th among qualified players, his on-base percentage 10th, and his slugging percentage 12th.
• Carroll enters this matchup looking to extend his 10-game hit streak. During his last 10 games he is hitting .400 with three doubles, two triples, two home runs, 10 walks and six RBIs.
• Ketel Marte has 45 hits this season and has a slash line of .241/.296/.417.
• Marte heads into this matchup with six games in a row with at least one hit. In his last 10 games he is hitting .341 with four doubles, two home runs, four walks and seven RBIs.
• Nolan Arenado has been key for Arizona with 43 hits, an OBP of .352 plus a slugging percentage of .471.

Rockies Player Leaders

• T.J. Rumfield has a slugging percentage of .437, a team-high for the Rockies. He's batting .279 with an on-base percentage of .351.
• He ranks 39th in batting average, 56th in on-base percentage and 61st in slugging percentage among all qualifying hitters in MLB.
• Rumfield brings a three-game hitting streak into this game. In his last five games he is hitting .313 with a double, a walk and three RBIs.
• Troy Johnston paces his team with a .373 OBP. He has a batting average of .316 while slugging .441.
• He is currently seventh in batting average, 26th in on-base percentage and 58th in slugging percentage among all qualifying batters.
• Hunter Goodman is hitting .242 with eight doubles, 11 home runs and 13 walks.
• Jake McCarthy is batting .282 with seven doubles, three triples, two home runs and eight walks.

Diamondbacks vs Rockies Head to Head

• 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)
• 8/17/2025: 6-5 COL (Favorite: Diamondbacks, Spread: -1.5, Total: 12, Favorite Moneyline: -144, Underdog Moneyline: +122)
• 8/16/2025: 10-7 COL (Favorite: Diamondbacks, Spread: -1.5, Total: 11.5, Favorite Moneyline: -174, Underdog Moneyline: +146)
• 8/15/2025: 4-3 COL (Favorite: Diamondbacks, Spread: -1.5, Total: 11.5, Favorite Moneyline: -194, Underdog Moneyline: +162)
• 8/14/2025: 8-2 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 12.5, Favorite Moneyline: -174, Underdog Moneyline: +146)
• 8/10/2025: 13-6 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 9, Favorite Moneyline: -290, Underdog Moneyline: +235)
• 8/9/2025: 6-5 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 9.5, Favorite Moneyline: -225, Underdog Moneyline: +188)

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