Diamondbacks vs Rockies Prediction, Odds, Moneyline, Spread & Over/Under for May 18

Odds updated as of 2:11 a.m.

The MLB schedule on Sunday includes the Arizona Diamondbacks taking on the Colorado Rockies.

All the info you need to make smart wagers on this matchup at FanDuel Sportsbook can be found below. Check out all of the latest MLB betting lines here.

Diamondbacks vs Rockies Game Info

• Arizona Diamondbacks (24-22) vs. Colorado Rockies (8-37)
• Date: Sunday, May 18, 2025
• Time: 4:10 p.m. ET
• Venue: Chase Field -- Phoenix, Arizona
• Coverage: ARID and COLR

Diamondbacks vs Rockies Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: ARI: (-375) | COL: (+300)
• Spread: ARI: -1.5 (-192) | COL: +1.5 (+155)
• Total: 9.5 -- Over: (-114) | Under: (-106)

Diamondbacks vs Rockies Probable Starting Pitchers

Probable Pitchers: Merrill Kelly (Diamondbacks) - 4-2, 3.71 ERA vs Chase Dollander (Rockies) - 2-4, 6.88 ERA

The probable starters are Merrill Kelly (4-2) for the Diamondbacks and Chase Dollander (2-4) for the Rockies. Kelly's team is 4-4-0 against the spread this season in his starts. Kelly's team has won 75% of his starts when they are favored on the moneyline (3-1). The Rockies have gone 4-3-0 ATS in Dollander's seven starts that had a set spread. The Rockies are 1-5 in Dollander's six 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 (73.3%)

Diamondbacks vs Rockies Moneyline

• The Diamondbacks vs Rockies moneyline has Arizona as a -375 favorite, while Colorado is a +300 underdog on the road.

Diamondbacks vs Rockies Spread

• The Rockies are +1.5 on the spread (+155 to cover), and Arizona is -192 to cover the runline.

Diamondbacks vs Rockies Over/Under

• A total of 9.5 runs has been set for the Diamondbacks-Rockies contest on May 18, with the over available at -114 and the under at -106.

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

Diamondbacks vs Rockies Betting Trends

• The Diamondbacks have come away with 16 wins in the 30 contests they have been listed as the favorites in this season.
• Arizona has been listed as a favorite of -375 or more on two occasions this season and split those games.
• The Diamondbacks' games have gone over the total in 21 of their 45 opportunities.
• The Diamondbacks are 21-24-0 against the spread in their 45 games with a line set by sportsbooks this season.
• The Rockies have won 17.1% of the games this season they were the moneyline underdog (7-34).
• Colorado has played as a moneyline underdog of +300 or longer in just two games this season, which it lost both.
• The Rockies have combined with opponents to hit the over on the total 18 times this season for an 18-25-1 record against the over/under.
• The Rockies have a 15-29-0 record against the spread this season.

Diamondbacks Player Leaders

• Corbin Carroll has 55 hits to go with a slugging percentage of .601, both of which are tops among Arizona hitters this season. He has a .285 batting average and an on-base percentage of .358.
• Among the qualified hitters in the majors, his batting average ranks 38th, his on-base percentage ranks 45th, and he is fourth in slugging.
• Carroll hopes to build on a five-game hitting streak in this matchup. During his last five outings he is batting .364 with a double, three home runs, three walks and four RBIs.
• Geraldo Perdomo leads Arizona with an OBP of .402 this season while batting .299 with 30 walks and 24 runs scored. He's slugging .471.
• Among all qualified hitters, he ranks 22nd in batting average, eighth in on-base percentage and 43rd in slugging percentage.
• Perdomo has picked up at least one hit in five games in a row. In his last five games he is hitting .353 with four doubles, three walks and four RBIs.
• Josh Naylor is batting .308 with a .467 slugging percentage and 28 RBI this year.
• Naylor takes a nine-game hitting streak into this game. During his last 10 outings he is batting .308 with three doubles, a home run, a walk and five RBIs.
• Eugenio Suarez is batting .220 with a .311 OBP and 37 RBI for Arizona this season.
• Suarez brings a four-game hitting streak into this matchup. In his last five games he is batting .333 with a double, two home runs, a walk and 10 RBIs.

Rockies Player Leaders

• Hunter Goodman has racked up an on-base percentage of .354, a slugging percentage of .506, and has 48 hits, all club-highs for the Rockies (while batting .300).
• Including all the qualified hitters in the big leagues, his batting average places him 21st, his on-base percentage ranks 52nd, and he is 26th in slugging.
• Jordan Beck is hitting .265 with four doubles, four triples, eight home runs and 12 walks. He's slugging .573 with an on-base percentage of .336.
• Ryan McMahon is hitting .209 with six doubles, a triple, six home runs and 27 walks.
• Mickey Moniak is batting .221 with four doubles, four triples, three home runs and eight walks.

Diamondbacks vs Rockies Head to Head

• 5/17/2025: 14-12 COL (Favorite: Diamondbacks, Spread: -1.5, Total: 9.5, Favorite Moneyline: -375, Underdog Moneyline: +300)
• 5/16/2025: 8-0 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 9, Favorite Moneyline: -390, Underdog Moneyline: +310)
• 9/18/2024: 9-4 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 10.5, Favorite Moneyline: -164, Underdog Moneyline: +138)
• 9/17/2024: 8-2 COL (Favorite: Diamondbacks, Spread: -1.5, Total: 11, Favorite Moneyline: -136, Underdog Moneyline: +116)
• 9/16/2024: 3-2 COL (Favorite: Diamondbacks, Spread: -1.5, Total: 11, Favorite Moneyline: -174, Underdog Moneyline: +146)
• 8/14/2024: 11-4 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 9, Favorite Moneyline: -210, Underdog Moneyline: +176)
• 8/13/2024: 4-3 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 8.5, Favorite Moneyline: -200, Underdog Moneyline: +168)
• 8/12/2024: 5-4 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 8.5, Favorite Moneyline: -295, Underdog Moneyline: +240)
• 4/10/2024: 5-3 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 11, Favorite Moneyline: -120, Underdog Moneyline: +102)
• 4/9/2024: 3-2 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 11, Favorite Moneyline: -180, Underdog Moneyline: +152)

Sign up for FanDuel Sportsbook and FanDuel Daily Fantasy today!