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

Odds updated as of 11:11 p.m.

The Arizona Diamondbacks will face the Colorado Rockies in MLB action on Sunday.

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

Diamondbacks vs Rockies Game Info

• Arizona Diamondbacks (24-21) vs. Colorado Rockies (7-37)
• 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 Diamondbacks will give the ball to Merrill Kelly (4-2, 3.71 ERA), who is eyeing win No. 5 on the season, and the Rockies will turn to Chase Dollander (2-4, 6.88 ERA). 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 a 4-3-0 ATS record 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 moneyline underdog.

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

• Colorado is the underdog, +300 on the moneyline, while Arizona is a -375 favorite at home.

Diamondbacks vs Rockies Spread

• The Diamondbacks are hosting the Rockies and are favored by 1.5 runs on the spread. The Diamondbacks are -192 to cover the runline, with the Rockies being +155.

Diamondbacks vs Rockies Over/Under

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

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Diamondbacks vs Rockies Betting Trends

• The Diamondbacks have been chosen as favorites in 29 games this year and have walked away with the win 16 times (55.2%) in those games.
• Arizona has played as a favorite of -375 or more just one time this year and came away with a win in that game.
• The Diamondbacks and their opponents have gone over the total this season in 20 of their 44 opportunities.
• The Diamondbacks have an against the spread mark of 21-23-0 in 44 games with a line this season.
• The Rockies have been the moneyline underdog 40 total times this season. They've finished 6-34 in those games.
• Colorado has played as a moneyline underdog of +300 or longer in only two games this season, which it lost both.
• The Rockies have had an over/under set by bookmakers 43 times, and have combined with opponents to go over the total in 17 of those games (17-25-1).
• The Rockies have covered just 32.6% of their games this season, going 14-29-0 against the spread.

Diamondbacks Player Leaders

• Corbin Carroll leads Arizona in slugging percentage (.612) and total hits (54) this season. He's batting .287 with an on-base percentage of .359.
• He is 37th in batting average, 46th in on-base percentage, and fourth in slugging among qualified hitters in the majors.
• Carroll has hit safely in four games in a row. During his last five outings he is batting .350 with a double, three home runs, three walks and three RBIs.
• Geraldo Perdomo leads Arizona in OBP (.397) this season, fueled by 45 hits. He's batting .294 while slugging .458.
• Among qualified hitters, his batting average ranks him 25th, his on-base percentage ninth, and his slugging percentage 50th.
• Perdomo has picked up at least one hit in four straight games. In his last five games he is hitting .250 with two doubles, two walks and four RBIs.
• Josh Naylor has 51 hits this season and has a slash line of .304/.370/.458.
• Naylor takes an eight-game hitting streak into this matchup. In his last 10 outings he is hitting .282 with two doubles, a home run, two walks and six RBIs.
• Eugenio Suarez has 13 home runs, 34 RBI and a batting average of .213 this season.
• Suarez takes a three-game hitting streak into this matchup. During his last five outings he is batting .222 with a double, a home run, a walk and seven RBIs.

Rockies Player Leaders

• Hunter Goodman has accumulated an on-base percentage of .349, a slugging percentage of .481, and has 45 hits, all club-highs for the Rockies (while batting .292).
• Including all the qualified hitters in MLB, his batting average ranks 30th, his on-base percentage is 60th, and he is 37th in slugging.
• Jordan Beck has four doubles, three triples, six home runs and 11 walks while batting .250. He's slugging .500 with an on-base percentage of .320.
• Ryan McMahon is hitting .203 with six doubles, a triple, six home runs and 26 walks.
• Mickey Moniak has four doubles, four triples, three home runs and eight walks while batting .218.

Diamondbacks vs Rockies Head to Head

• 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)
• 4/8/2024: 7-5 COL (Favorite: Diamondbacks, Spread: -1.5, Total: 10.5, Favorite Moneyline: -174, Underdog Moneyline: +146)

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