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, going over the latest baseball odds to find top betting edges. The result? Data-backed plays that help Dimers Pro members make smarter decisions.

List of MLB best bets today [8/31, updated 2:20AM 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.

 

Astros -1.5 (+170)

Astros -1.5 vs. White Sox at +170 odds shows a 5.4% edge, supported by a 42.4% 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.

 

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

Mariners vs. Red Sox Over 7.5 runs at -117 odds presents a 4.6% edge, with simulations resulting in a probability of 58.6%.

 

Yankees vs. Angels Over 8.5 runs (-104)

Our model finds value on Over 8.5 runs in Yankees vs. Angels at -104 odds, supported by an edge of 4.5%.

 

Mets ML (+156)

  • Edge: 4.4%
  • Probability: 43.5%
  • Matchup: Mets vs. Rays (6:40PM ET)

Our model has uncovered value on Mets-Rays to finish as a tie after 90 minutes at +156 odds. A 43.5% probability produces a 4.4% edge, making this a strong play for today's MLB action.

 

Orioles vs. Rockies Over 10.5 runs (-113)

A 4.3% edge on a 57.3% probability makes Over 10.5 runs at -113 odds a solid value play in today's Orioles vs. Rockies matchup.

 

Athletics ML (+199)

Our model projects value on Athletics to win at +199 odds. A 37.4% probability produces a 4.0% edge, making Athletics the favorable ML play 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 2:20AM 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 @ Novig 7.2% 57.2%
White Sox vs. Astros Astros -1.5 +170 @ Novig 5.4% 42.4%
Tigers vs. Twins Over 8.5 runs +104 @ Novig 5.1% 54.1%
Mariners vs. Red Sox Over 7.5 Runs -117 @ Novig 4.6% 58.6%
Yankees vs. Angels Over 8.5 Runs -104 @ Novig 4.5% 55.4%
Mets vs. Rays Mets ML +156 @ Novig 4.4% 43.5%
Orioles vs. Rockies Over 10.5 Runs -113 @ Polymarket 4.3% 57.3%
Athletics vs. Rangers Athletics ML +199 @ Novig 4.0% 37.4%
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 rooted 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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