Nationals vs. Rockies prediction: Why Colorado is favored to win Tuesday's MLB matchup [7/21/2026]
Get Washington Nationals vs Colorado Rockies predictions for MLB Tuesday.
The Colorado Rockies and Washington Nationals will meet in MLB action at Coors Field on Tuesday, starting at 8:40 PM ET.
Michael Lorenzen (3-9, 6.22 ERA) will start for the Rockies, while the Nationals have opted for Carson Palmquist (0-1, 6.52 ERA).
Based on the latest simulations, Dimers' proven MLB model gives the Rockies a slight edge with a 52.1% win probability over the Nationals.
This article offers an expanded analysis of Tuesday's Nationals vs. Rockies matchup, including best bets and picks.
Nationals vs. Rockies prediction: Who will win and cover?
Our leading predictive model gives the Rockies a 52.1% chance of beating the Nationals.
According to our model, the Rockies (+1.5) have a 60.6% chance of covering the run line, while the over/under total of 12.5 runs has a 57.7% chance of going over,.
Nationals vs. Rockies odds [7/21/2026]
We have researched the best MLB odds in America for this game, which are listed here:
| Bet Type | Nationals | Rockies |
|---|---|---|
| Run Line | -1.5 (+140) | +1.5 (-144) |
| Moneyline | -104 | +104 |
| Total | o12.5 (-117) | u12.5 (+120) |
All odds are correct at the time of publication and are subject to change.
Nationals vs. Rockies picks and best bet
After matching our predictions against the best available odds, we can reveal our picks for each of the major markets in this matchup. Plus, find our best bet for the game below:
| Bet Type | Pick | Bet Now |
|---|---|---|
| Run Line | Rockies +1.5 | -144 |
| Moneyline | Rockies | +104 |
| Total | Over 12.5 | -117 |
According to our MLB best bets, the top play to make on this game is Over 12.5 total runs.
These picks are based on our probabilities matched against the implied probabilities from the sportsbook odds.
Nationals vs. Rockies game-day updates and essential details
Tuesday's MLB action between the Rockies and Nationals at Coors Field is scheduled to commence at 8:40 PM ET.
- Who: Washington Nationals vs. Colorado Rockies
- Date: Tuesday, July 21, 2026
- Time: 8:40 PM ET/5:40PM PT
- Venue: Coors Field
Conclusion
We predict the Rockies, with a 52.1% win probability, will likely beat the Nationals in Tuesday's MLB matchup.
Additional tools and information for betting safely can be found in our Responsible Gambling hub.
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Dave Garofolo uses sophisticated AI-driven analytics to make predictions and evaluate player performances in the NBA, MLB, NFL, NHL, NCAAM, and PGA TOUR tournaments, crafting insightful game and prop previews.
