MLB picks today: Wednesday's MLB best bets include Diamondbacks vs. Red Sox play [8/19/2026]

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Written by Jason Bevilacqua

Get MLB picks today and best bets for Wednesday, August 19, 2026.

MLB Best Bets.
These MLB betting picks for August 19, 2026, are based on the latest odds and probabilities for Wednesday's games.

Today’s MLB picks for August 19, 2026 are here, with Diamondbacks vs. Red Sox and Giants vs. Guardians among the top plays identified by our model across Wednesday’s MLB action.

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

List of MLB best bets today [8/19, updated 6:13AM ET]

Below, you’ll find today’s top 10 MLB best bets, ranked by edge for Wednesday, August 19, 2026.

Diamondbacks vs. Red Sox Over 8.5 runs (+117)

Our model has identified value on Over 8.5 runs in Diamondbacks vs. Red Sox at +117 odds. A 55.8% probability produces an edge of 9.7%, making this the strongest play for today's MLB slate.

 

Giants vs. Guardians Over 7.5 runs (+117)

Giants vs. Guardians over 7.5 runs carries a 6.6% edge and a probability of 52.7% at +117 odds, according to our model.

 

Mariners vs. Brewers Over 7.5 runs (+117)

Mariners vs. Brewers Over 7.5 runs at +117 odds shows a 6.2% edge, supported by a 52.2% probability in simulations.

 

Dodgers vs. Rockies over 11.5 runs (+108)

A 5.5% edge and 53.6% probability make Dodgers vs. Rockies over 11.5 runs a value play in the Dodgers vs. Rockies matchup, per our model.

 

Angels vs. Astros Over 8.5 runs (+104)

Angels vs. Astros Over 8.5 runs at +104 odds presents a 5.0% edge, with simulations resulting in a probability of 54%.

 

Braves vs. Twins Over 8.5 runs (-108)

Our model finds value on Over 8.5 runs in Braves vs. Twins at -108 odds, supported by an edge of 4.9%.

 

Athletics vs. Royals Over 8.5 runs (-103)

Our model has uncovered value on Athletics vs. Royals Over 8.5 runs at -103 odds. A 55.5% probability produces a 4.8% edge, making this a strong play for today's MLB action.

 

Blue Jays ML (+190)

A 4.4% edge on a 38.9% probability makes Blue Jays to win at +190 odds a solid value play in today's Blue Jays vs. Rays matchup.

 

Nationals vs. RangersOver 7.5 runs (-108)

Our model projects value on Over 7.5 runs at -108 odds. A 56.1% probability produces a 4.2% edge, making the Over the favorable side in today's matchup.

 

Yankees vs. Orioles Over 9 runs (-113)

Rounding out our top 10 bets, Yankees vs. Orioles Over 9 runs at -113 odds shows a 57.2% probability and a 4.2% edge.

 

MLB best bets summary: Wednesday, 8/19/2026

As of 6:13AM ET, here are our top MLB bets by edge recommended by our model:

Matchup Bet Odds Edge Prob.
Diamondbacks vs. Red Sox Over 8.5 runs +117 @ Polymarket 9.7% 55.8%
Giants vs. Guardians Over 7.5 runs +117 @ Polymarket 6.6% 52.7%
Mariners vs. Brewers Over 7.5 Runs +117 @ Novig 6.2% 52.2%
Dodgers vs. Rockies Over 11.5 runs +108 @ Novig 5.5% 53.6%
Angels vs. Astros Over 8.5 Runs +104 @ Polymarket 5.0% 54%
Braves vs. Twins Over 8.5 Runs -108 @ Polymarket 4.9% 56.9%
Athletics vs. Royals Over 8.5 Runs -103 @ Kalshi 4.8% 55.5%
Blue Jays vs. Rays Blue Jays ML +190 @ Novig 4.4% 38.9%
Nationals vs. Rangers Over 7.5 Runs -108 @ Novig 4.2% 56.1%
Yankees vs. Orioles Over 9 Runs -113 @ BetRivers 4.2% 57.2%
 

List of upcoming MLB games to bet on [8/19/2026]

Conclusion

Our MLB best bets are locked and loaded for August 19, 2026, featuring plays such as over 8.5 runs in the Diamondbacks vs. Red Sox matchup and over 7.5 runs in the Giants vs. Guardians matchup. Powered by advanced simulations, these picks are here to boost your betting game.

Our predictions are based on 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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