Sep 21, 2026
MLB player props today: Monday's best props include Blade Tidwell [9/21/2026]
Read Article MLB picks today: Monday's MLB best bets include Blue Jays vs. Orioles play [9/21/2026]
Updated: | First published:
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Written by Jason Bevilacqua, Head of Content and Communities
Get MLB picks today and best bets for Monday, September 21, 2026.
Today’s MLB picks for September 21, 2026 are here, with Blue Jays vs. Orioles and Nationals vs. Tigers among the top plays identified by our model across Monday’s MLB schedule.
Dimers’ predictive analytics engine runs 24/7, going over the latest baseball odds to discover top betting edges. The result? Data-backed picks that help Dimers Pro members make smarter decisions.
List of MLB best bets today [9/21, updated 3:37AM ET]
Below, you’ll find today’s MLB best bets, ranked by edge for Monday, September 21, 2026.
Blue Jays vs. Orioles Over 7.5 runs (-108)
- Edge: 6.6%
- Probability: 58.5%
- Matchup: Blue Jays vs. Orioles (6:35PM ET)
Our model has identified value on Over 7.5 runs in Blue Jays vs. Orioles at 52¢ odds. A 58.5% probability produces an edge of 6.6%, making this the strongest play for today's MLB slate.
Nationals ML (+138)
- Edge: 2.9%
- Probability: 44.9%
- Matchup: Nationals vs. Tigers (6:40PM ET)
Nationals ML carries a 2.9% edge and a probability of 44.9% at 42¢ odds, according to our model.
MLB best bets summary: Monday, 9/21/2026
As of 3:37AM ET, here are our top MLB bets by edge recommended by our model:
| Matchup | Bet | Odds | Edge | Prob. |
|---|---|---|---|---|
| Blue Jays vs. Orioles | Over 7.5 runs | 52¢ @ Polymarket | 6.6% | 58.5% |
| Nationals vs. Tigers | Nationals ML | 42¢ @ Polymarket | 2.9% | 44.9% |
List of upcoming MLB games to bet on [9/21/2026]
- Blue Jays vs. Orioles (6:35PM ET, Monday)
- Nationals vs. Tigers (6:40PM ET, Monday)
- Twins vs. Giants (9:45PM ET, Monday)
Conclusion
Our MLB best bets are locked and loaded for September 21, 2026, featuring plays such as over 7.5 runs in the Blue Jays vs. Orioles matchup and Nationals ML. Powered by advanced simulations, these picks are here to boost your betting game.
Our predictions are sourced from current data to help you make informed decisions. For additional resources and advice, head to our Responsible Gambling hub.
All odds and probabilities in this article are correct and accurate at the time of publication.
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Jason Bevilacqua, an expert in MLB, NHL, NBA, MLS, and NFL, delivers game previews, best bets, and props. Since 2020, as Head of Social and Community at Dimers, he has contributed insightful articles utilizing data-driven models and simulations.
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