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

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)
- Edge: 6.6%
- Probability: 56.6%
- Matchup: Diamondbacks vs. Red Sox (7:10PM ET)
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)
- Edge: 6.0%
- Probability: 57%
- Matchup: Yankees vs. Orioles (6:35PM ET)
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)
- Edge: 6.0%
- Probability: 52.5%
- Matchup: Nationals vs. Rangers (8:05PM ET)
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)
- Edge: 4.7%
- Probability: 41.2%
- Matchup: Giants vs. Guardians (6:40PM ET)
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)
- Edge: 4.5%
- Probability: 58%
- Matchup: Tigers vs. Pirates (6:40PM ET)
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)
- Edge: 4.4%
- Probability: 56.3%
- Matchup: Mariners vs. Brewers (7:40PM ET)
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)
- Edge: 4.4%
- Probability: 57.4%
- Matchup: Braves vs. Twins (7:40PM ET)
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)
- Edge: 4.0%
- Probability: 49.5%
- Matchup: Angels vs. Astros (8:10PM ET)
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)
- Edge: 3.8%
- Probability: 53.8%
- Matchup: Blue Jays vs. Rays (6:40PM ET)
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)
- Edge: 3.8%
- Probability: 50.8%
- Matchup: Giants vs. Guardians (6:40PM ET)
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]
- Yankees vs. Orioles (6:35PM ET, Tuesday)
- Blue Jays vs. Rays (6:40PM ET, Tuesday)
- Cardinals vs. Reds (6:40PM ET, Tuesday)
- Giants vs. Guardians (6:40PM ET, Tuesday)
- Tigers vs. Pirates (6:40PM ET, Tuesday)
- Marlins vs. Phillies (6:40PM ET, Tuesday)
- D-Backs vs. Red Sox (7:10PM ET, Tuesday)
- Padres vs. Mets (7:10PM ET, Tuesday)
- Braves vs. Twins (7:40PM ET, Tuesday)
- Mariners vs. Brewers (7:40PM ET, Tuesday)
- Athletics vs. Royals (7:40PM ET, Tuesday)
- Nationals vs. Rangers (8:05PM ET, Tuesday)
- White Sox vs. Cubs (8:05PM ET, Tuesday)
- Angels vs. Astros (8:10PM ET, Tuesday)
- Dodgers vs. Rockies (8:40PM ET, Tuesday)
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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