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

Odds updated as of 7:11 a.m.

MLB action on Saturday includes the Arizona Diamondbacks facing 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 (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: (-205) | COL: (+172)
• Spread: ARI: -1.5 (-142) | COL: +1.5 (+118)
• Total: 12.5 -- Over: (-104) | Under: (-118)

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

The Diamondbacks will call on Merrill Kelly (6-3) against the Rockies and Carson Palmquist (0-4). When Kelly starts, his team is 5-8-0 against the spread this season. Kelly's team is 5-3 this season when he starts and they are the moneyline favorite. The Rockies are 2-4-0 against the spread when Palmquist starts. The Rockies are 1-5 in Palmquist'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 (67.7%)

Diamondbacks vs Rockies Moneyline

• Looking at the moneyline for Diamondbacks-Rockies, Arizona is the favorite at -205, and Colorado is +172 playing at home.

Diamondbacks vs Rockies Spread

• The Diamondbacks are favored by 1.5 runs on the road versus the Rockies. The Diamondbacks are -142 to cover the spread, while the Rockies are +118.

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 -104 and the under at -118.

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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.
• Arizona has a record of 3-3 when favored by -205 or more this year.
• The Diamondbacks' games have gone over the total in 37 of their 72 opportunities.
• The Diamondbacks have an against the spread record of 34-38-0 in 72 games with a line this season.
• The Rockies are 15-56 in games they were listed as the moneyline underdog (winning 21.1% of those games).
• When playing as a moneyline underdog with odds of +172 or longer, Colorado has a record of 6-34 (15%).
• In the 74 games bookmakers have set an over/under for the Rockies, they 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.

Diamondbacks Player Leaders

• Corbin Carroll leads Arizona in total hits (73) 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 qualified hitters, he is 80th in batting average, his on-base percentage ranks 61st, and he is fourth in slugging.
• Carroll will look for his third straight game with a hit in this matchup. During his last five outings he is batting .176 with a double, a triple, a home run, four walks and an RBI.
• Josh Naylor has a slash line of .302/.356/.466 this season and a team-best OPS of .822.
• He ranks 14th in batting average, 40th in on-base percentage and 41st in slugging in MLB.
• Naylor has picked up at least one hit in 10 games in a row. In his last 10 outings he is batting .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 brings a two-game hitting streak into this game. During his last five outings he is hitting .091 with two walks.
• Eugenio Suarez is batting .246 with a .319 OBP and 65 RBI for Arizona this season.
• Suarez has hit safely in two straight games. During his last five outings he is batting .429 with a double, four home runs and 10 RBIs.

Rockies Player Leaders

• Hunter Goodman has a team-high slugging percentage (.516) while pacing the Rockies in hits (79). He's batting .283 and with an on-base percentage of .326.
• Including all the qualifying players in MLB, his batting average is 33rd, his on-base percentage is 84th, and he is 16th in slugging.
• Goodman takes a four-game hitting streak into this game. During his last five outings he is batting .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 68th in batting average, 97th in on-base percentage and 38th in slugging percentage among all qualified hitters.
• Ryan McMahon has racked up a team-best .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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