Washington Nationals vs St. Louis Cardinals Prediction, Odds & Preview — Sep. 20, 2026
Washington Nationals visit the St. Louis Cardinals on September 20, 2026.
Prediction Lab's stored Sharp Consensus currently gives St. Louis Cardinals a 57.0% win probability. That figure is a statistical model output for this matchup — not a guarantee, and not betting advice.
Game information
| Date | September 20, 2026 |
|---|---|
| Away | Washington Nationals |
| Home | St. Louis Cardinals |
Model moneyline
| Model | Side | Prob |
|---|---|---|
| Grinder2 | St. Louis Cardinals | 64.4% |
| Takedown | St. Louis Cardinals | 63.9% |
| Edge | St. Louis Cardinals | 50.0% |
| XSharp | Washington Nationals | 54.0% |
| Sharp Consensus | St. Louis Cardinals | 57.0% |
Sharp Consensus: St. Louis Cardinals (57.0%)
Markets & projections
| Prediction Lab proj | 9–1 |
|---|---|
| XSharp proj | 3.5–3 |
| PL total | 10 |
| XSharp total | 6.5 |
| XSharp run line | -0.5 |
| H2H | 10.3 combined runs over 3 meetings |
Why the models split
The stored models split on this moneyline. St. Louis Cardinals: Grinder2 (64.4%), Takedown (63.9%), Edge (50.0%), Sharp Consensus (57.0%) Washington Nationals: XSharp (54.0%).
Sharp Consensus leans St. Louis Cardinals, while XSharp lean the other way on the stored probabilities.
Available sportsbook moneyline on the stored board: Washington Nationals -109, St. Louis Cardinals -109. Compare that price with the model probability before treating either as a pick.
Takeaway
This preview is built from Prediction Lab's stored Washington Nationals at St. Louis Cardinals board for September 20, 2026. The current Sharp Consensus lean is St. Louis Cardinals at 57.0%. Use the MLB picks page for the live card, then check graded results after the game. Model probabilities can be wrong; they are not locks.