MLB picks today: Tuesday's MLB best bets include Diamondbacks vs. Red Sox play [8/18/2026]

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Written by Dave Garofolo

Get MLB picks today and best bets for Tuesday, August 18, 2026.

MLB Best Bets.
These MLB betting picks for August 18, 2026, are based on the latest odds and probabilities for Tuesday's games.

Today’s MLB picks for August 18, 2026 are here, with Diamondbacks vs. Red Sox and Yankees vs. Orioles among the top plays identified by our model across Tuesday’s MLB play.

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

List of MLB best bets today [8/18, updated 7:50AM ET]

Below, you’ll find today’s top 10 MLB best bets, ranked by edge for Tuesday, August 18, 2026.

Diamondbacks vs. Red Sox Over 8.5 runs (+100)

Our model has identified value on Over 8.5 runs in Diamondbacks vs. Red Sox at +100 odds. A 56.6% probability produces an edge of 6.6%, making this the strongest play for today's MLB slate.

 

Yankees vs. Orioles Over 8.5 runs (-104)

Yankees vs. Orioles over 8.5 runs carries a 6.0% edge and a probability of 57% at -104 odds, according to our model.

 

Nationals vs. Rangers Over 8.5 runs (+115)

Nationals vs. Rangers Over 8.5 runs at +115 odds shows a 6.0% edge, supported by a 52.5% probability in simulations.

 

Giants ML (+174)

A 4.7% edge and 41.2% probability makes Giants at the moneyline a value play in the Giants vs. Guardians matchup, per our model.

 

Tigers vs. Pirates Over 7.5 runs (-115)

Tigers vs. Pirates Over 7.5 runs at -115 odds presents a 4.5% edge, with simulations resulting in a probability of 58%.

 

Mariners vs. Brewers Over 7.5 runs (-108)

Our model finds value on Over 7.5 runs in Mariners vs. Brewers at -108 odds, supported by an edge of 4.4%.

 

Braves vs. Twins Over 8.5 runs (-113)

Our model has uncovered value on Braves vs. Twins Over 8.5 runs at -113 odds. A 57.4% probability produces a 4.4% edge, making this a strong play for today's MLB action.

 

Angels vs. Astros Over 9.5 runs (+120)

A 4.0% edge on a 49.5% probability makes Over 9.5 runs at +120 odds a solid value play in today's Angels vs. Astros matchup.

 

Blue Jays vs. RaysOver 7.5 runs (+100)

Our model projects value on Over 7.5 runs at +100 odds. A 53.8% probability produces a 3.8% edge, making the Over the favorable side in today's matchup.

 

Giants vs. Guardians Over 8.5 runs (+113)

Rounding out our top 10 bets, Giants vs. Guardians Over 8.5 runs at +113 odds shows a 50.8% probability and a 3.8% edge.

 

MLB best bets summary: Tuesday, 8/18/2026

As of 7:50AM 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 +100 @ Polymarket 6.6% 56.6%
Yankees vs. Orioles Over 8.5 runs -104 @ Novig 6.0% 57%
Nationals vs. Rangers Over 8.5 Runs +115 @ Novig 6.0% 52.5%
Giants vs. Guardians Giants ML +174 @ DraftKings 4.7% 41.2%
Tigers vs. Pirates Over 7.5 Runs -115 @ Novig 4.5% 58%
Mariners vs. Brewers Over 7.5 Runs -108 @ Novig 4.4% 56.3%
Braves vs. Twins Over 8.5 Runs -113 @ Polymarket 4.4% 57.4%
Angels vs. Astros Over 9.5 Runs +120 @ Novig 4.0% 49.5%
Blue Jays vs. Rays Over 7.5 Runs +100 @ Polymarket 3.8% 53.8%
Giants vs. Guardians Over 8.5 Runs +113 @ Polymarket 3.8% 50.8%
 

List of upcoming MLB games to bet on [8/18/2026]

Conclusion

Our MLB best bets are locked and loaded for August 18, 2026, featuring plays such as over 8.5 runs in the Diamondbacks vs. Red Sox matchup and over 8.5 runs in the Yankees vs. Orioles 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
Dave Garofolo
Content Producer

Dave Garofolo uses sophisticated AI-driven analytics to make predictions and evaluate player performances in the NBA, MLB, NFL, NHL, NCAAM, and PGA TOUR tournaments, crafting insightful game and prop previews.

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