Free MLB picks today: Sunday's MLB best bets include three over/under plays [9/28/2025]

Today’s free MLB picks for September 28, 2025 are here, with Sunday’s MLB best bets fueled by thousands of predictive simulations analyzing the latest odds and matchups.

These MLB best bets include matchups like Tigers vs. Red Sox and Cardinals vs. Cubs, with this article updated throughout the day to feature the highest-probability plays based on thousands of data-driven simulations from our predictive analytics model.

But if you're serious about long-term profit, it's not just about probability—it's about edge. To unlock our highest-edge MLB bets—the ones with true long-term value—join Dimers Pro.

Pro members get unlimited access to everything Dimers has to offer on Sunday, September 28, 2025, including our complete suite of picks and best bets for today and the week ahead.

List of MLB best bets today [9/28, updated 3:02PM ET]

After crunching the numbers and conducting thousands of simulations, our leading predictive analytics model has identified the best baseball bets for Sunday, September 28, 2025.

Tigers vs. Red Sox over 9 runs (-115)

• Probability: 64.5%
• Edge: 11.1%
• Matchup: Tigers vs. Red Sox (3:05PM ET, Sunday)

Our model has pinpointed a high-probability MLB betting opportunity today, which comes in the Tigers vs. Red Sox matchup. We recommend an over/under bet on over 9 runs at -115 odds, with our analysis showing a 64.5% chance of hitting and a compelling edge of 11.1%.

Cardinals vs. Cubs over 7 runs (-118)

• Probability: 64%
• Edge: 9.9%
• Matchup: Cardinals vs. Cubs (3:20PM ET, Sunday)

Our model has found another strong MLB bet for Sunday's baseball action, this time in the game between the Cardinals and Cubs. We suggest placing an over/under wager on over 7 runs at -118 odds, with a 64% probability delivering a 9.9% edge.

Dodgers vs. Mariners over 7.5 runs (-114)

• Probability: 63.9%
• Edge: 10.6%
• Matchup: Dodgers vs. Mariners (3:10PM ET, Sunday)

Our model has found another strong MLB bet for Sunday's baseball action, this time in the Dodgers vs. Mariners game. We recommend an over/under bet on over 7.5 runs at -114 odds. Our projections shows a 63.9% probability and 10.6% edge for this wager.

MLB best bets: Sunday, 9/28/2025

As of 3:02PM ET, here are our top three MLB bets by probability recommended by our model:

Matchup	Bet	Odds	Probability	Edge
Tigers vs. Red Sox	Over 9 Runs	-115 @ BetMGM	64.5%	11.1%
Cardinals vs. Cubs	Over 7 Runs	-118 @ BetMGM	64%	9.9%
Dodgers vs. Mariners	Over 7.5 Runs	-114 @ DraftKings	63.9%	10.6%

Dimers Pro unlocks instant access to the most valuable bets across all sports, powered by our advanced predictive model.

Today, Dimers Pro subscribers have access to 18 MLB picks—with access to all of these being what makes a difference over time.

Join Dimers Pro now to access these picks, as well as a comprehensive range of props, trends and parlays for September 28, 2025.

List of upcoming MLB games to bet on [9/28/2025]

• Orioles vs. Yankees (3:05PM ET, Sunday)
• Rockies vs. Giants (3:05PM ET, Sunday)
• Twins vs. Phillies (3:05PM ET, Sunday)
• White Sox vs. Nationals (3:05PM ET, Sunday)
• Royals vs. Athletics (3:05PM ET, Sunday)
• Tigers vs. Red Sox (3:05PM ET, Sunday)
• Rays vs. Blue Jays (3:07PM ET, Sunday)
• Astros vs. Angels (3:07PM ET, Sunday)
• Dodgers vs. Mariners (3:10PM ET, Sunday)
• Reds vs. Brewers (3:10PM ET, Sunday)
• Mets vs. Marlins (3:10PM ET, Sunday)
• D-Backs vs. Padres (3:10PM ET, Sunday)
• Rangers vs. Guardians (3:10PM ET, Sunday)
• Pirates vs. Braves (3:15PM ET, Sunday)
• Cardinals vs. Cubs (3:20PM ET, Sunday)

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More about MLB

The bets on this page form part of our MLB player props and MLB best bets series.

For more MLB betting content, we have MLB trends for every game, as well as daily MLB betting news and the latest World Series odds and predictions.

Conclusion

Our MLB best bets are locked and loaded for September 28, 2025, featuring plays such as over 9 runs in the Tigers vs. Red Sox matchup and over 7 runs in the Cardinals vs. Cubs matchup. Powered by advanced simulations, these picks are here to boost your betting game.

This article, enhanced by AI and automation, aims to deliver accurate MLB insights quickly, with human oversight ensuring high editorial quality. Our predictions are sourced from current data to help you make informed decisions. For additional resources and advice on responsible gambling, please call 1-800-GAMBLER.

All odds and probabilities in this article are correct and accurate at the time of publication.

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