MLB player props today: Monday's best props include Ian Seymour [8/31/2026]

Dimers' MLB player props are live for August 31, 2026, with today's top prop bets led by the likes of Ian Seymour, Carlos Narváez and Anthony Kay.

Our MLB player props model runs continuously to analyze every matchup—including Phillies vs. D-Backs and Mariners vs. Red Sox—and surface the best MLB player prop bets across the market.

List of MLB prop picks for Monday, 8/31

Sourced from 115+ total MLB props on site today, below are the top 10 MLB player props for August 31, ranked by probability.

Ian Seymour over 1.5 earned runs (-159)

• Edge: 6.5%
• Probability: 67.8%
• Game: Mets vs. Rays (6:40PM ET)

Our model has found value on Tampa Bay's Ian Seymour over 1.5 earned runs. A probability of 67.8% gives this play an edge of 6.5% at -159 odds.

Carlos Narváez to get a hit (-172)

• Edge: 3.3%
• Probability: 66.6%
• Game: Orioles vs. Rockies (8:40PM ET)

Carlos Narváez’s to get a hit prop shows a 66.6% probability and an 3.3% edge at -172 odds, according to our model.

Anthony Kay over 3.5 strikeouts (-166)

• Edge: 2.6%
• Probability: 65.1%
• Game: White Sox vs. Astros (8:10PM ET)

The data highlights value on Anthony Kay over 3.5 strikeouts, with simulations showing a 65.1% probability and a 2.6% edge at -166.

Anthony Kay over 4.5 hits allowed (-142)

• Edge: 4.4%
• Probability: 63.1%
• Game: White Sox vs. Astros (8:10PM ET)

Our model finds value on Anthony Kay over 4.5 hits allowed, with a 63.1% probability and an edge of 4.4% at -142 odds.

Cody Freeman to get a hit (-138)

• Edge: 4.2%
• Probability: 62.2%
• Game: Athletics vs. Rangers (8:05PM ET)

Simulations indicate value on Cody Freeman to get a hit for Texas, showing an edge of 4.2% at -138 odds.

Brandon Pfaadt over 3.5 strikeouts (-114)

• Edge: 8.5%
• Probability: 61.7%
• Game: Phillies vs. D-Backs (9:40PM ET)

Brandon Pfaadt’s strikeouts prop shows an edge of 8.5% at -114 odds, supported by a 61.7% probability according to our model.

George Kirby under 17.5 outs recorded (-126)

• Edge: 4.0%
• Probability: 59.7%
• Game: Mariners vs. Red Sox (6:45PM ET)

Our model highlights value on George Kirby under 17.5 outs recorded for Seattle, with a 59.7% probability and a 4.0% edge at -126 odds.

George Kirby under 2.5 earned runs (-102)

• Edge: 8.5%
• Probability: 59.0%
• Game: Mariners vs. Red Sox (6:45PM ET)

The data shows value on George Kirby under 2.5 earned runs, supported by a 59.0% probability at -102 odds and an edge of 8.5%.

Ian Seymour over 16.5 outs recorded (-125)

• Edge: 3.1%
• Probability: 58.7%
• Game: Mets vs. Rays (6:40PM ET)

A 3.1% edge on the over 2.5 outs recorded line makes Ian Seymour a value play in Mets vs. Rays, supported by a 58.7% probability at -125 odds.

Gage Jump under 2.5 earned runs (-119)

• Edge: 4.2%
• Probability: 58.6%
• Game: Athletics vs. Rangers (8:05PM ET)

Simulations show value on Gage Jump under 2.5 earned runs here, with a 58.6% probability and 4.2% edge at -119 odds.

MLB player prop summary: Monday, August 31, 2026

A quick summary of today’s top props by probability according to our model as of 7:33AM ET:

Conclusion

For August 31, 2026, our MLB prop bets feature players such as Ian Seymour, Carlos Narváez and Anthony Kay. Each pick is grounded in real-time data and advanced simulations to help you bet with clarity and purpose.

Built using automation and human oversight, this article draws on the latest data to deliver accurate, timely insights. If using this article for betting, Dimers encourages responsible gambling.