Diamondbacks vs Rockies Prediction, Odds, Moneyline, Spread & Over/Under for June 21

Odds updated as of 8:14 p.m.

The Arizona Diamondbacks versus the Colorado Rockies is on the MLB schedule for Saturday.

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

Diamondbacks vs Rockies Game Info

• Arizona Diamondbacks (38-37) vs. Colorado Rockies (17-59)
• Date: Saturday, June 21, 2025
• Time: 9:10 p.m. ET
• Venue: Coors Field -- Denver, Colorado
• Coverage: COLR and ARID

Diamondbacks vs Rockies Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: ARI: (-200) | COL: (+168)
• Spread: ARI: -1.5 (-137) | COL: +1.5 (+114)
• Total: 12.5 -- Over: (-122) | Under: (-100)

Diamondbacks vs Rockies Probable Starting Pitchers

Probable Pitchers: Merrill Kelly (Diamondbacks) - 6-3, 3.41 ERA vs Carson Palmquist (Rockies) - 0-4, 7.76 ERA

This contest's pitching matchup is set, as the Diamondbacks will send Merrill Kelly (6-3) to the mound, while Carson Palmquist (0-4) will take the ball for the Rockies. Kelly's team is 5-8-0 against the spread in his starts this season. When Kelly starts a game and his team is the favorite on the moneyline, they have a record of 5-3. The Rockies have a 2-4-0 ATS record in Palmquist's six starts with a set spread. The Rockies have been the underdog on the moneyline in six of Palmquist's starts this season, and they went 1-5 in those matchups.

Diamondbacks vs Rockies Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Diamondbacks win (68.3%)

Diamondbacks vs Rockies Moneyline

• Colorado is a +168 underdog on the moneyline, while Arizona is a -200 favorite on the road.

Diamondbacks vs Rockies Spread

• The Diamondbacks are favored by 1.5 runs on the road against the Rockies. The Diamondbacks are -137 to cover the spread, while the Rockies are +114.

Diamondbacks vs Rockies Over/Under

• The Diamondbacks-Rockies contest on June 21 has been given an over/under of 12.5 runs. The over is set at -122 and the under at -100.

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Diamondbacks vs Rockies Betting Trends

• The Diamondbacks have won in 25, or 53.2%, of the 47 contests they have been named as odds-on favorites in this year.
• This year Arizona has won three of six games when listed as at least -200 on the moneyline.
• The Diamondbacks and their opponents have gone over the total this season in 37 of their 72 opportunities.
• The Diamondbacks have posted a record of 34-38-0 against the spread this season.
• The Rockies have won 21.1% of the games this season they were the underdog on the moneyline (15-56).
• Colorado has gone 6-38 in games it has played as a moneyline underdog with odds of +168 or longer (13.6%).
• The Rockies have played in 74 games with a set over/under, and have combined with opponents to go over the total 31 times (31-40-3).
• The Rockies have a 29-45-0 record ATS this season (covering only 39.2% of the time).

Diamondbacks Player Leaders

• Corbin Carroll has 73 hits, which leads Arizona hitters this season, while batting .255 with 42 extra-base hits. He has an on-base percentage of .341 and a slugging percentage of .573.
• Among the qualifying hitters in the majors, his batting average ranks 79th, his on-base percentage ranks 62nd, and he is fourth in slugging.
• Carroll hopes to build on a two-game hitting streak in this matchup. In his last five games he is batting .176 with a double, a triple, a home run, four walks and an RBI.
• Josh Naylor leads the Diamondbacks with an OPS of .822. He has a slash line of .302/.356/.466 this season.
• Among all qualified hitters, he is 13th in batting average, 38th in on-base percentage and 42nd in slugging percentage.
• Naylor brings a 10-game streak with at least one hit into this matchup. During his last 10 games he is hitting .415 with three doubles, two home runs, four walks and 10 RBIs.
• Geraldo Perdomo has collected 69 base hits, an OBP of .351 and a slugging percentage of .401 this season.
• Perdomo has picked up a hit in two straight games. In his last five games he is batting .091 with two walks.
• Eugenio Suarez has 24 home runs, 65 RBI and a batting average of .246 this season.
• Suarez heads into this game on a two-game hitting streak. During his last five outings he is hitting .429 with a double, four home runs and 10 RBIs.

Rockies Player Leaders

• Hunter Goodman has racked up 79 hits with a .516 slugging percentage, both team-high statistics for the Rockies. He's batting .283 and with an on-base percentage of .326.
• Including all the qualifying players in MLB, he is 30th in batting average, 83rd in on-base percentage and 17th in slugging percentage.
• Goodman enters this game on a four-game hitting streak. During his last five outings he is hitting .217 with a double, three home runs, a walk and eight RBIs.
• Jordan Beck is hitting .262 with 14 doubles, four triples, nine home runs and 18 walks. He's slugging .468 with an on-base percentage of .320.
• He is currently 67th in batting average, 96th in on-base percentage and 41st in slugging percentage among all qualified hitters.
• Ryan McMahon has put up a team-high .332 on-base percentage.
• Mickey Moniak is hitting .245 with five doubles, five triples, 10 home runs and 13 walks.

Diamondbacks vs Rockies Head to Head

• 6/20/2025: 14-8 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 11.5, Favorite Moneyline: -164, Underdog Moneyline: +138)
• 5/18/2025: 1-0 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 9, Favorite Moneyline: -300, Underdog Moneyline: +245)
• 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)

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