MLB picks today: Monday's MLB best bets include Athletics vs. Diamondbacks play [7/20/2026]
Get MLB picks today and best bets for Monday, July 20, 2026.
Today’s MLB picks for July 20, 2026 are here, with Athletics vs. Diamondbacks and Reds vs. Mariners among the top plays identified by our model across Monday’s MLB schedule.
Dimers’ predictive analytics engine runs 24/7, searching the latest baseball odds to uncover real betting edges. The result? Data-backed picks that help Dimers Pro members make smarter decisions.
List of MLB best bets tonight [7/20, updated 9:07PM ET]
Below, you’ll find today’s best baseball bets, ranked by edge for Monday, July 20, 2026.
Athletics vs. Diamondbacks Over 9.5 runs (+117)
- Edge: 10.1%
- Probability: 56.2%
- Matchup: Athletics vs. Diamondbacks (9:40PM ET)
Our model has identified value on Over 9.5 runs in Athletics vs. Diamondbacks at +117 odds. A 56.2% probability produces an edge of 10.1%, making this the strongest play for today's MLB slate.
Reds vs. Mariners Over 7.5 runs (-108)
- Edge: 3.4%
- Probability: 55.3%
- Matchup: Reds vs. Mariners (9:40PM ET)
Reds vs. Mariners over 7.5 runs carries a 3.4% edge and a probability of 55.3% at -108 odds, according to our model.
Cardinals vs. Angels Over 9.5 runs (+122)
- Edge: 2.3%
- Probability: 47.4%
- Matchup: Cardinals vs. Angels (10:10PM ET)
Cardinals vs. Angels Over 9.5 runs at +122 odds shows a 2.3% edge, supported by a 47.4% probability in simulations.
Mariners -1.5 (+160)
- Edge: 2.1%
- Probability: 40.6%
- Matchup: Reds vs. Mariners (9:40PM ET)
A 2.1% edge and 40.6% probability makes Mariners -1.5 vs. Reds a value play in the Reds vs. Mariners matchup, per our model.
MLB best bets summary: Monday, 7/20/2026
As of 9:07PM ET, here are our top MLB bets by edge recommended by our model:
| Matchup | Bet | Odds | Edge | Probability |
|---|---|---|---|---|
| Athletics vs. Diamondbacks | Over 9.5 runs | +117 @ Novig | 10.1% | 56.2% |
| Reds vs. Mariners | Over 7.5 runs | -108 @ Novig | 3.4% | 55.3% |
| Cardinals vs. Angels | Over 9.5 Runs | +122 @ Polymarket | 2.3% | 47.4% |
| Reds vs. Mariners | Mariners -1.5 vs. Reds | +160 @ BetRivers | 2.1% | 40.6% |
List of upcoming MLB games to bet on [7/20/2026]
- Reds vs. Mariners (9:40PM ET, Monday)
- Athletics vs. D-Backs (9:40PM ET, Monday)
- Cardinals vs. Angels (10:10PM ET, Monday)
- Dodgers vs. Phillies (6:40PM ET, Tuesday)
- Pirates vs. Yankees (7:05PM ET, Tuesday)
- Rays vs. Blue Jays (7:07PM ET, Tuesday)
- Padres vs. Braves (7:15PM ET, Tuesday)
- Mets vs. Brewers (7:40PM ET, Tuesday)
- Giants vs. Royals (7:40PM ET, Tuesday)
- Tigers vs. Cubs (8:05PM ET, Tuesday)
- Marlins vs. Astros (8:10PM ET, Tuesday)
- Nationals vs. Rockies (8:40PM ET, Tuesday)
Conclusion
Our MLB best bets are locked and loaded for July 20, 2026, featuring plays such as over 9.5 runs in the Athletics vs. Diamondbacks matchup and over 7.5 runs in the Reds vs. Mariners matchup. 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.
