The Colorado Rockies and Arizona Diamondbacks meet at Chase Field on Friday night in what could be labeled a battle of disappointment, with both National League West clubs well out of playoff contention and looking ahead to 2026.
Colorado enters this series opener having suffered through a brutal stretch that included a 20-1 thrashing by Toronto, pushing their record to a dismal 30-84 and cementing their status as one of baseball's worst teams.
Arizona sits in a more respectable but still frustrating 54-61 position, riding a recent slide after trading away key pieces and searching for momentum against a Rockies squad they've dominated 4-2 in the season series.
Arizona Diamondbacks vs. Colorado Rockies prediction: who will win?
For tonight's Arizona Diamondbacks vs Colorado Rockies matchup, our predictive model gives the D-backs a 75% chance of defeating the Rockies.
Arizona Diamondbacks: 75% win probability
- Offensive firepower with 555 runs scored this season
- Strong recent momentum with three wins in last five games (LLWWW)
- Superior record at 54-61 compared to Colorado's 30-84
Colorado Rockies: 25% win probability
- Worst record in baseball at 30-84 (.263 winning percentage)
- Pitching struggles allowing 740 runs, most in the majors
- Four losses in last five games showing poor form (LLLLW)
At Sporting Post, our custom prediction model blends insights from leading MLB analysts to give you a clear edge.
Instead of sorting through endless opinions, we streamline expert picks, advanced team metrics, and market trends into one place. Our AI tracks top sources and assigns a confidence score to each prediction. These are averaged into a win probability that reflects the expert consensus. It gives you a data-backed view of what the sharpest minds in MLB expect.
| Arizona Diamondbacks | Colorado Rockies | |
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| Moneyline |
Arizona Diamondbacks vs. Colorado Rockies preview
The Diamondbacks welcome a Rockies squad that's hitting historical lows for all the wrong reasons, becoming the fastest team ever to reach a -300 run differential in just 114 games.
Colorado limps into Phoenix after getting absolutely demolished 20-1 by Toronto in their last outing, extending their losing streak to four games and highlighting just how bad things have gotten for a team sitting 35.5 games out of first place.
Austin Gomber takes the mound for the Rockies despite being winless at 0-5 this season with a brutal 6.18 ERA, though he's historically had some success at Chase Field with a 4.43 ERA in five appearances.
Arizona counters with Zac Gallen, who despite his own struggles this year (5.48 ERA) has absolutely owned Colorado throughout his career, posting an 8-1 record with a 3.53 ERA against them.
The Diamondbacks may have dealt away some key pieces recently, but they're clearly playing for respectability while the Rockies have already surrendered to next season.
With Colorado averaging just 2.96 runs per game on the road and Arizona's lineup still capable of putting up runs at home, this opener should showcase the massive gulf between these two NL West clubs.
Arizona Diamondbacks vs. Colorado Rockies form
Arizona Diamondbacks vs. Colorado Rockies head to head
Arizona Diamondbacks
50%
Colorado Rockies
50%
Jun 22, 2025
Colorado Rockies
4 : 2
Arizona Diamondbacks
Jun 22, 2025
Colorado Rockies
3 : 5
Arizona Diamondbacks
Jun 21, 2025
Colorado Rockies
8 : 14
Arizona Diamondbacks
May 18, 2025
Arizona Diamondbacks
1 : 0
Colorado Rockies
May 18, 2025
Arizona Diamondbacks
12 : 14
Colorado Rockies
May 17, 2025
Arizona Diamondbacks
8 : 0
Colorado Rockies
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