MLB picks today: Monday's MLB best bets include Phillies vs. Diamondbacks play [8/31/2026]

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Written by Jason Bevilacqua

Get MLB picks today and best bets for Monday, August 31, 2026.

MLB Best Bets.
These MLB betting picks for August 31, 2026, are based on the latest odds and probabilities for Monday's games.

Today’s MLB picks for August 31, 2026 are here, with Phillies vs. Diamondbacks and Athletics vs. Rangers among the top plays identified by our model across Monday’s MLB action.

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

List of MLB best bets today [8/31, updated 3:32AM ET]

Below, you’ll find today’s top 10 MLB best bets, ranked by edge for Monday, August 31, 2026.

Phillies vs. Diamondbacks Over 8.5 runs (+108)

Our model has identified value on Over 8.5 runs in Phillies vs. Diamondbacks at +108 odds. A 55.3% probability produces an edge of 7.3%, making this the strongest play for today's MLB slate.

 

Athletics vs. Rangers Over 7.5 runs (+100)

Athletics vs. Rangers over 7.5 runs carries a 7.2% edge and a probability of 57.2% at +100 odds, according to our model.

 

Mets ML (+163)

  • Edge: 5.5%
  • Probability: 43.5%
  • Matchup: Mets vs. Rays (6:40PM ET)

Mets ML at +163 odds shows a 5.5% edge, supported by a 43.5% probability in simulations.

 

Tigers vs. Twins over 8.5 runs (+104)

A 5.1% edge and 54.1% probability make Tigers vs. Twins over 8.5 runs a value play in the Tigers vs. Twins matchup, per our model.

 

Astros -1.5 (+167)

Astros -1.5 at +167 odds presents a 4.9% edge, with simulations resulting in a probability of 42.4%.

 

Mariners vs. Red Sox Over 7.5 runs (-117)

Our model finds value on Over 7.5 runs in Mariners vs. Red Sox at -117 odds, supported by an edge of 4.6%.

 

Orioles vs. Rockies Over 10.5 runs (-113)

Our model has uncovered value on Orioles vs. Rockies Over 10.5 runs at -113 odds. A 57.3% probability produces a 4.3% edge, making this a strong play for today's MLB action.

 

Athletics ML (+199)

A 4.0% edge on a 37.4% probability makes Athletics to win at +199 odds a solid value play in today's Athletics vs. Rangers matchup.

 

Yankees vs. AngelsOver 8.5 runs (-106)

Our model projects value on Over 8.5 runs at -106 odds. A 55.3% probability produces a 3.9% edge, making the Over the favorable side in today's matchup.

 

Astros ML (-122)

Rounding out our top 10 bets, Astros to defeat White Sox at -122 odds shows a 58.7% probability and a 3.7% edge.

 

MLB best bets summary: Monday, 8/31/2026

As of 3:32AM ET, here are our top MLB bets by edge recommended by our model:

Matchup Bet Odds Edge Prob.
Phillies vs. Diamondbacks Over 8.5 runs +108 @ Polymarket 7.3% 55.3%
Athletics vs. Rangers Over 7.5 runs +100 @ Polymarket 7.2% 57.2%
Mets vs. Rays Mets ML +163 @ Polymarket 5.5% 43.5%
Tigers vs. Twins Over 8.5 runs +104 @ Novig 5.1% 54.1%
White Sox vs. Astros Astros -1.5 +167 @ Novig 4.9% 42.4%
Mariners vs. Red Sox Over 7.5 Runs -117 @ Polymarket 4.6% 58.5%
Orioles vs. Rockies Over 10.5 Runs -113 @ Polymarket 4.3% 57.3%
Athletics vs. Rangers Athletics ML +199 @ Novig 4.0% 37.4%
Yankees vs. Angels Over 8.5 Runs -106 @ Novig 3.9% 55.3%
White Sox vs. Astros Astros ML -122 @ Polymarket 3.7% 58.7%
 

List of upcoming MLB games to bet on [8/31/2026]

Conclusion

Our MLB best bets are locked and loaded for August 31, 2026, featuring plays such as over 8.5 runs in the Phillies vs. Diamondbacks matchup and over 7.5 runs in the Athletics vs. Rangers 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
Jason Bevilacqua
Head of Content and Communities

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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