Cardinals vs. Rockies prediction: Why St. Louis is favored to win Sunday's MLB matchup [9/6/2026]
Dimers' simulation model projects a 55.3% win probability for the Cardinals at Coors Field.

MLB action continues on Sunday at 3:10 PM ET as the St. Louis Cardinals square off with the Colorado Rockies at Coors Field.
The Rockies will send Tanner Gordon (1-4, 5.18 ERA) to the mound, pitting him against Kyle Leahy (10-4, 3.13 ERA) for the Cardinals.
Dimers' proven MLB model projects the Cardinals as the most likely winner in this Cardinals vs. Rockies prediction.
This article offers an expanded analysis of Sunday's matchup, including best bets and picks.
Cardinals vs. Rockies prediction and odds
Our independent predictive model currently gives the Cardinals a 55.3% chance of beating the Rockies.
According to our model, the Rockies (+1.5) have a 54.4% chance of covering the run line, while the over/under total of 11.5 runs has a 52.0% chance of staying under.
Latest betting odds
We have researched the best MLB odds in America for this game, which are listed here:
- Run Line: Cardinals -1.5 (+122) / Rockies +1.5 (-122)
- Moneyline: Cardinals -127, Rockies +122
- Total: Over/Under 11.5 (+113/-117)
All odds are correct at the time of publication and are subject to change.
Model picks and best bet
After matching our predictions against the best current odds, we can reveal our picks for each of the major markets in this matchup. Plus, find our best bet for the game below:
- Run line: Cardinals -1.5 @ 45¢ via Polymarket
- Moneyline: Rockies @ 45¢ via Novig
- Total: Over 11.5 @ 47¢ via Novig
According to our MLB best bets, the top play to make on this game is Over 11.5 total runs.
These picks are based on our probabilities matched against the implied probabilities from the current available odds.
Game info & first pitch details
Sunday's MLB game between the Rockies and Cardinals at Coors Field is scheduled to begin at 3:10 PM ET.
- Who: St. Louis Cardinals vs. Colorado Rockies
- Date: Sunday, September 6, 2026
- Time: 3:10 PM ET/12:10PM PT
- Venue: Coors Field
Conclusion
We predict the Cardinals, with a 55.3% win probability, will likely beat the Rockies in Sunday's MLB matchup.
Additional tools and information for betting safely can be found in our Responsible Gambling hub.




