Diamondbacks vs Rockies Prediction, Odds, Moneyline, Spread & Over/Under for May 17

Odds updated as of 9:11 a.m.

The Arizona Diamondbacks will take on the Colorado Rockies in MLB action on Saturday.

Here's what you need to know before checking out today's MLB odds and spreads on FanDuel Sportsbook.

Diamondbacks vs Rockies Game Info

• Arizona Diamondbacks (24-21) vs. Colorado Rockies (7-37)
• Date: Saturday, May 17, 2025
• Time: 8:10 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: (-360) | COL: (+290)
• Spread: ARI: -1.5 (-176) | COL: +1.5 (+146)
• Total: 9.5 -- Over: (-100) | Under: (-122)

Diamondbacks vs Rockies Probable Starting Pitchers

Probable Pitchers: Zac Gallen (Diamondbacks) - 3-5, 4.59 ERA vs German Marquez (Rockies) - 1-6, 8.27 ERA

The Diamondbacks will give the nod to Zac Gallen (3-5, 4.59 ERA), who is eyeing win No. 4 on the season, and the Rockies will turn to German Marquez (1-6, 8.27 ERA). Gallen and his team are 4-5-0 ATS this season 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 gone 2-6-0 against the spread when Marquez starts. The Rockies have been the moneyline underdog in seven of Marquez's starts this season, and they went 1-6 in those matchups.

Diamondbacks vs Rockies Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Diamondbacks win (77%)

Diamondbacks vs Rockies Moneyline

• Colorado is a +290 underdog on the moneyline, while Arizona is a -360 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 -176 to cover the runline, with the Rockies being +146.

Diamondbacks vs Rockies Over/Under

• An over/under of 9.5 has been set for Diamondbacks-Rockies on May 17, with the over being -100 and the under -122.

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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 -360 or more just one time this year and came away with a win in that game.
• The Diamondbacks and their opponents have gone over in 20 of their 44 games with a total set by sportsbooks this season.
• The Diamondbacks have an against the spread record of 21-23-0 in 44 games with a line this season.
• The Rockies have won six of the 40 games they were the moneyline underdog this season (15%).
• Colorado has played as a moneyline underdog of +290 or longer in just two games this season, which it lost both.
• The Rockies have played in 43 games with an over/under set, and have combined with opponents to go over the total 17 times (17-25-1).
• The Rockies have collected a 14-29-0 record ATS this season (covering only 32.6% of the time).

Diamondbacks Player Leaders

• Corbin Carroll leads Arizona with 54 hits and a team-best slugging percentage of .612. He's batting .287 with an on-base percentage of .359.
• Among all qualified hitters in the majors, his batting average ranks 37th, his on-base percentage ranks 48th, and he is fourth in slugging.
• Carroll hopes to build on a four-game hitting streak in this matchup. In his last five games he is batting .350 with a double, three home runs, three walks and three RBIs.
• Geraldo Perdomo leads Arizona with an OBP of .397 this season while batting .294 with 29 walks and 21 runs scored. He's slugging .458.
• He is 25th in batting average, 11th in on-base percentage and 51st in slugging among qualifying hitters.
• Perdomo takes a four-game streak with at least one hit into this contest. During his last five outings 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 brings an eight-game hitting streak into this game. During his last 10 outings he is batting .282 with two doubles, a home run, two walks and six RBIs.
• Eugenio Suarez has been key for Arizona with 34 hits, an OBP of .308 plus a slugging percentage of .506.
• Suarez heads into this game on a three-game hitting streak. In his last five games he is hitting .222 with a double, a home run, a walk and seven RBIs.

Rockies Player Leaders

• Hunter Goodman has a team-high OBP (.349) and slugging percentage (.481), and leads the Rockies in hits (45, while batting .292).
• Including all qualified players in the big leagues, his batting average puts him 32nd, his on-base percentage is 59th, and he is 34th in slugging.
• Jordan Beck is hitting .250 with four doubles, three triples, six home runs and 11 walks. He's slugging .500 with an on-base percentage of .320.
• Ryan McMahon has six doubles, a triple, six home runs and 26 walks while batting .203.
• Mickey Moniak is batting .218 with four doubles, four triples, three home runs and eight walks.

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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