MLB picks today: Tuesday's MLB best bets include Twins vs. Guardians play [7/21/2026]

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Written by Dave Garofolo

Get MLB picks today and best bets for Tuesday, July 21, 2026.

MLB Best Bets.
These MLB betting picks for July 21, 2026, are based on the latest odds and probabilities for Tuesday's games.

Today’s MLB picks for July 21, 2026 are here, with Twins vs. Guardians and Marlins vs. Astros among the top plays identified by our model across Tuesday’s MLB action.

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

List of MLB best bets today [7/21, updated 6:09AM ET]

Below, you’ll find today’s top 10 baseball bets, ranked by edge for Tuesday, July 21, 2026.

Twins vs. Guardians Over 8.5 runs (+108)

Our model has identified value on Over 8.5 runs in Twins vs. Guardians at +108 odds. A 52.9% probability produces an edge of 4.9%, making this the strongest play for today's MLB slate.

 

Astros -1.5 (+178)

Astros -1.5 carries a 4.5% edge and a probability of 40.5% at +178 odds, according to our model.

 

Orioles vs. Red Sox Over 8 runs (-110)

Orioles vs. Red Sox Over 8 runs at -110 odds shows a 4.4% edge, supported by a 56.8% probability in simulations.

 

Rays vs. Blue Jays over 7.5 runs (+100)

A 4.4% edge and 54.4% probability make Rays vs. Blue Jays over 7.5 runs a value play in the Rays vs. Blue Jays matchup, per our model.

 

Mets ML (+130)

Mets ML at +130 odds presents a 4.3% edge, with simulations resulting in a probability of 47.8%.

 

Reds vs. Mariners Over 7.5 runs (+104)

Our model finds value on Over 7.5 runs in Reds vs. Mariners at +104 odds, supported by an edge of 4.3%.

 

Padres vs. Braves Over 8.5 runs (-125)

Our model has uncovered value on Padres vs. Braves Over 8.5 runs at -125 odds. A 59.3% probability produces a 3.7% edge, making this a strong play for today's MLB action.

 

Astros ML (-113)

A 3.6% edge on a 56.6% probability makes Astros to win at -113 odds a solid value play in today's Marlins vs. Astros matchup.

 

Athletics vs. DiamondbacksOver 9.5 runs (-113)

Our model projects value on Over 9.5 runs at -113 odds. A 56.4% probability produces a 3.3% edge, making the Over the favorable side in today's matchup.

 

Blue Jays ML (+106)

Rounding out our top 10 bets, Blue Jays to defeat Rays at +106 odds shows a 51.7% probability and a 3.2% edge.

 

MLB best bets summary: Tuesday, 7/21/2026

As of 6:09AM ET, here are our top MLB bets by edge recommended by our model:

Matchup Bet Odds Edge Probability
Twins vs. Guardians Over 8.5 runs +108 @ Novig 4.9% 52.9%
Marlins vs. Astros Astros -1.5 +178 @ Polymarket 4.5% 40.5%
Orioles vs. Red Sox Over 8 Runs -110 @ Fanatics 4.4% 56.8%
Rays vs. Blue Jays Over 7.5 runs +100 @ Polymarket 4.4% 54.4%
Mets vs. Brewers Mets ML +130 @ Novig 4.3% 47.8%
Reds vs. Mariners Over 7.5 Runs +104 @ Novig 4.3% 53.3%
Padres vs. Braves Over 8.5 Runs -125 @ Novig 3.7% 59.3%
Marlins vs. Astros Astros ML -113 @ Novig 3.6% 56.6%
Athletics vs. Diamondbacks Over 9.5 Runs -113 @ Polymarket 3.3% 56.4%
Rays vs. Blue Jays Blue Jays ML +106 @ Novig 3.2% 51.7%
 

List of upcoming MLB games to bet on [7/21/2026]

Conclusion

Our MLB best bets are locked and loaded for July 21, 2026, featuring plays such as over 8.5 runs in the Twins vs. Guardians matchup and Astros -1.5. Powered by advanced simulations, these picks are here to boost your betting game.

Our predictions are drawn from 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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