MLB picks today: Sunday's MLB best bets include Athletics vs. Guardians play [9/20/2026]

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Written by Mac Douglass

Get MLB picks today and best bets for Sunday, September 20, 2026.

MLB Best Bets.
These MLB betting picks for September 20, 2026, are based on the latest odds and probabilities for Sunday's games.

Today’s MLB picks for September 20, 2026 are here, with Athletics vs. Guardians and Brewers vs. Orioles among the top plays identified by our model across Sunday’s MLB play.

Dimers’ predictive analytics engine runs 24/7, going over the latest baseball odds to unearth legitimate betting edges. The result? Data-backed plays that help Dimers Pro members make smarter decisions.

List of MLB best bets today [9/20, updated 2:40AM ET]

Below, you’ll find today’s top 10 MLB best bets, ranked by edge for Sunday, September 20, 2026.

Athletics vs. Guardians Over 7.5 runs (+111)

Our model has identified value on Over 7.5 runs in Athletics vs. Guardians at 47¢ odds. A 55% probability produces an edge of 7.6%, making this the strongest play for today's MLB slate.

 

Brewers vs. Orioles Over 7.5 runs (-110)

Brewers vs. Orioles over 7.5 runs carries a 5.8% edge and a probability of 58.2% at -110 odds, according to our model.

 

Athletics ML (+217)

Athletics ML at 32¢ odds shows a 5.8% edge, supported by a 37.3% probability in simulations.

 

Yankees vs. Diamondbacks over 8.5 runs (+104)

A 5.8% edge and 54.8% probability make Yankees vs. Diamondbacks over 8.5 runs a value play in the Yankees vs. Diamondbacks matchup, per our model.

 

Braves vs. Astros Over 8.5 runs (+108)

Braves vs. Astros Over 8.5 runs at 48¢ presents a 5.3% edge, with simulations resulting in a probability of 53.4%.

 

Marlins vs. Padres Over 8.5 runs (+117)

Our model finds value on Over 8.5 runs in Marlins vs. Padres at 46¢, supported by an edge of 4.4%.

 

Orioles ML (+180)

Our model has uncovered value on Brewers-Orioles to finish as a tie after 90 minutes at +180. A 39.9% probability produces a 4.2% edge, making this a strong play for today's MLB action.

 

Orioles +1.5 (+108)

A 3.8% edge on a 51.9% probability makes Orioles +1.5 at 48¢a solid value play in today's Brewers vs. Orioles matchup.

 

Mets ML (+150)

Our model projects value on Mets to win at 40¢. A 43.6% probability produces a 3.6% edge, making Mets the favorable ML play in today's matchup.

 

Mets +1.5 (-113)

Rounding out our top 10 bets, Mets +1.5 at 53¢ shows a 56.5% probability and a 3.5% edge.

 

MLB best bets summary: Sunday, 9/20/2026

As of 2:40AM ET, here are our top MLB bets by edge recommended by our model:

Matchup Bet Odds Edge Prob.
Athletics vs. Guardians Over 7.5 runs 47¢ @ Novig 7.6% 55%
Brewers vs. Orioles Over 7.5 runs -110 @ BetRivers 5.8% 58.2%
Athletics vs. Guardians Athletics ML 32¢ @ Novig 5.8% 37.3%
Yankees vs. Diamondbacks Over 8.5 runs 49¢ @ Polymarket 5.8% 54.8%
Braves vs. Astros Over 8.5 Runs 48¢ @ Novig 5.3% 53.4%
Marlins vs. Padres Over 8.5 Runs 46¢ @ Polymarket 4.4% 50.4%
Brewers vs. Orioles Orioles ML +180 @ BetRivers 4.2% 39.9%
Brewers vs. Orioles Orioles +1.5 48¢ @ Polymarket 3.8% 51.9%
Phillies vs. Mets Mets ML 40¢ @ Novig 3.6% 43.6%
Phillies vs. Mets Mets +1.5 53¢ @ Novig 3.5% 56.5%
 

List of upcoming MLB games to bet on [9/20/2026]

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Conclusion

Our MLB best bets are locked and loaded for September 20, 2026, featuring plays such as over 7.5 runs in the Athletics vs. Guardians matchup and over 7.5 runs in the Brewers vs. Orioles matchup. Powered by advanced simulations, these picks are here to boost your betting game.

Our predictions are grounded in 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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Written by
Mac Douglass
Senior Editor

Mac Douglass specializes in NFL previews for the NFC South and NFC East, MLB best bets, Formula 1 race previews, and professional tennis insights. Combining predictive simulations and data-driven sports analysis, Mac provides in-depth content to elevate the betting experience for sports fans.

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