Rockies vs Diamondbacks Prediction 6/21/25 MLB Picks Today

The Arizona Diamondbacks and the Colorado Rockies meet Sunday in MLB action from Truist Park. We will look at this from a betting perspective and determine the best bets for this game. Here’s a Rockies vs Diamondbacks Prediction.

Starting Pitching Matchup

The Arizona Diamondbacks will send out Merrill Kelly for the start here, and Kelly is 6-3 with a 3.41 ERA and 86 strikeouts this season. In his last 5 starts against the Rockies, Kelly is 4-0 with a 1.38 ERA and 40 strikeouts. Carson Palmquist will get the nod for the Rockies in this one and is 0-4 with a 7.76 ERA and 18 strikeouts this season. This will be Palmquist’s second career start against Arizona.

Arizona Diamondbacks Recap

The Arizona Diamondbacks will be out to build on their 14-8 win to start the series, improving to 38-37 on the year as a result. After this series, the Diamondbacks will head on the road for a series against the Chicago White Sox.

Diamondbacks Win Back-To-Back Games & 7 Of Their Last 10

Corbin Carroll has 73 hits with 20 home runs, 44 RBIs, 9 triples, and 13 doubles, while Josh Naylor has 85 hits with 17 doubles, 9 home runs, and 49 RBIs as well this season. Eugenio Suarez has also added 24 home runs and 65 RBIs, while Geraldo Perdomo has 49 RBIs. Naylor has also chipped in 10 stolen bases as well up to this point in the year, while Carroll has the unfortunate distinction of leading the Diamondbacks with 80 strikeouts so far this season. Carroll also has 10 stolen bases, and Perdomo has a team-high 11 stolen bases as well this season.

Why the Arizona Diamondbacks will win

Arizona Diamondbacks Player Prop Facts

Colorado Rockies Recap

The Colorado Rockies come into this game looking to bounce back from their series-opening loss, sitting at 17-59 on the year as a result. After this series, the Rockies will welcome the Los Angeles Dodgers to town for a series.

Rockies Lose Back-To-Back Games

Hunter Goodman leads the Rockies with 79 hits, including 17 doubles, 3 triples, 14 home runs, and 48 RBIs, while Michael Toglia has 42 hits with 9 doubles, 9 home runs, and 26 RBIs but also has 87 strikeouts. Kyle Farmer has 14 doubles while Jordan Beck has 9 home runs, 24 RBIs, 4 triples, and 8 stolen bases. Brenton Doyle has 49 hits with 10 doubles, 5 home runs, 25 RBIs, and 7 stolen bases. Mickey Moniak has 45 hits with 5 doubles, 5 triples, and 10 home runs with 24 RBIs. Ryan McMahon’s also chipped in 58 hits with 12 doubles, 12 home runs, and 25 RBIs.

Why the Colorado Rockies will win

Colorado Rockies Player Prop Facts

Total Runs Facts

Rockies vs Diamondbacks Prediction

I’m on Arizona here. I think Colorado’s best chance at a win in this series came with Zac Gallen starting for Arizona on Friday. The Rockies looked good early on before the bullpen stumbled as usual, and I think the Rockies are in trouble here. Merrill Kelly is a pitcher with plenty of Coors Field experience, and solid experience at that, and I just don’t see the Rockies being able to break through here. Give me Arizona.

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