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Read Article MLB picks today: Friday's MLB best bets include Reds vs. Guardians play [5/15/2026]
Updated: | First published:
Written by Jason Bevilacqua, Head of Content and Communities
Get MLB picks today and best bets for Friday, May 15, 2026.
Today’s MLB picks for May 15, 2026 are here, with Reds vs. Guardians and Diamondbacks vs. Rockies among the top plays identified by our model across Friday’s MLB action.
Dimers’ predictive analytics engine runs 24/7, going over the latest baseball odds to unearth legitimate betting edges. The result? Data-backed picks that help Dimers Pro members make smarter decisions.
List of MLB best bets today [5/15, updated 9:34PM ET]
Below, you’ll find today’s top 10 baseball bets, ranked by edge for Friday, May 15, 2026.
Reds vs. Guardians over 5.5 runs (+102)
- Edge: 10.6%
- Probability: 60.1%
- Matchup: Reds vs. Guardians (6:10PM ET, Saturday)
Our model has identified value on over 5.5 runs in Reds vs. Guardians at +102 odds. A 60.1% probability produces an edge of 10.6%, making this the strongest play for today's MLB slate.
Diamondbacks vs. Rockies over 11.5 runs (+108)
- Edge: 6.6%
- Probability: 54.6%
- Matchup: Diamondbacks vs. Rockies (3:10PM ET, Saturday)
Diamondbacks vs. Rockies over 11.5 runs carries a 6.6% edge and a probability of 54.6% at +108 odds, according to our model.
Red Sox vs. Braves over 8.5 runs (+117)
- Edge: 6.1%
- Probability: 52.1%
- Matchup: Red Sox vs. Braves (7:15PM ET, Saturday)
Red Sox vs. Braves over 8.5 runs at +117 odds shows a 6.1% edge, supported by a 52.1% probability in simulations.
Rangers vs. Astros over 7.5 runs (-108)
- Edge: 5.0%
- Probability: 57%
- Matchup: Rangers vs. Astros (7:10PM ET, Saturday)
A 5.0% edge and 57% probability make Rangers vs. Astros over 7.5 runs at a value play in the Rangers vs. Astros matchup, per our model.
Brewers vs. Twins over 8.5 runs (-102)
- Edge: 4.2%
- Probability: 54.7%
- Matchup: Brewers vs. Twins (7:10PM ET, Saturday)
Brewers vs. Twins over 8.5 runs at -102 odds presents a 4.2% edge, with simulations resulting in a probability of 54.7%.
Cubs vs. White Sox over 8.5 runs (-102)
- Edge: 4.0%
- Probability: 54.5%
- Matchup: Cubs vs. White Sox (7:10PM ET, Saturday)
Our model finds value on over 8.5 runs in Cubs vs. White Sox at -102 odds, supported by an edge of 4.0%.
Phillies vs. Pirates over 8.5 runs (+120)
- Edge: 3.8%
- Probability: 49.3%
- Matchup: Phillies vs. Pirates (4:05PM ET, Saturday)
Our model has uncovered value on Phillies vs. Pirates over 8.5 runs at +120 odds. A 49.3% probability produces a 3.8% edge, making this a strong play for today's MLB action.
Astros ML (+138)
- Edge: 3.6%
- Probability: 45.6%
- Matchup: Rangers vs. Astros (7:10PM ET, Saturday)
A 3.6% edge on a 45.6% probability makes Astros to win at +138 odds a solid value play in today's Rangers vs. Astros matchup.
Marlins vs. Rays over 7.5 runs (-104)
- Edge: 2.7%
- Probability: 53.7%
- Matchup: Marlins vs. Rays (4:10PM ET, Saturday)
Our model projects value on over 7.5 runs at -104 odds. A 53.7% probability produces a 2.7% edge, making the over the favorable side in Saturday’s matchup.
Red Sox ML (+141)
- Edge: 2.5%
- Probability: 43.5%
- Matchup: Red Sox vs. Braves (7:15PM ET, Saturday)
Rounding out our top 10 bets, Red Sox to defeat Braves at +141 odds shows a 43.5% probability and a 2.5% edge.
MLB best bets summary: Friday, 5/15/2026
As of 9:34PM ET, here are our top MLB bets by edge recommended by our model:
| Matchup | Bet | Odds | Edge | Probability |
|---|---|---|---|---|
| Reds vs. Guardians | Over 5.5 Runs | +102 @ polymarket | 10.6% | 60.1% |
| Diamondbacks vs. Rockies | Over 11.5 Runs | +108 @ polymarket | 6.6% | 54.6% |
| Red Sox vs. Braves | Over 8.5 Runs | +117 @ polymarket | 6.1% | 52.1% |
| Rangers vs. Astros | Over 7.5 Runs | -108 @ polymarket | 5.0% | 57% |
| Brewers vs. Twins | Over 8.5 Runs | -102 @ polymarket | 4.2% | 54.7% |
| Cubs vs. White Sox | Over 8.5 Runs | -102 @ polymarket | 4.0% | 54.5% |
| Phillies vs. Pirates | Over 8.5 Runs | +120 @ polymarket | 3.8% | 49.3% |
| Rangers vs. Astros | Astros ML | +138 @ kalshi | 3.6% | 45.6% |
| Marlins vs. Rays | Over 7.5 Runs | -104 @ polymarket | 2.7% | 53.7% |
| Red Sox vs. Braves | Red Sox ML | +141 @ polymarket | 2.5% | 43.5% |
List of upcoming MLB games to bet on [5/15/2026]
- Dodgers vs. Angels (9:38PM ET, Friday)
- Padres vs. Mariners (9:40PM ET, Friday)
- Giants vs. Athletics (9:40PM ET, Friday)
- Royals vs. Cardinals (2:15PM ET, Saturday)
- D-Backs vs. Rockies (3:10PM ET, Saturday)
- Phillies vs. Pirates (4:05PM ET, Saturday)
- Orioles vs. Nationals (4:05PM ET, Saturday)
- Marlins vs. Rays (4:10PM ET, Saturday)
- Reds vs. Guardians (6:10PM ET, Saturday)
- Cubs vs. White Sox (7:10PM ET, Saturday)
- Rangers vs. Astros (7:10PM ET, Saturday)
- Brewers vs. Twins (7:10PM ET, Saturday)
- Red Sox vs. Braves (7:15PM ET, Saturday)
Conclusion
Our MLB best bets are locked and loaded for May 15, 2026, featuring plays such as over 5.5 runs in the Reds vs. Guardians matchup and over 11.5 runs in the Diamondbacks vs. Rockies matchup. Powered by advanced simulations, these picks are here to boost your betting game.
Our predictions are grounded 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.
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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