MLB player props today: Sunday's best props include Luis Castillo [5/9/2026]

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Written by Jason Bevilacqua

Get MLB player props today with projections for Saturday's games.

MLB Prop Bets.
MLB prop bets for May 9, 2026 are based on the latest odds and projections for Sunday's baseball games.

Dimers' MLB props are live for May 10, 2026, with today's top prop bets led by the likes of Luis Castillo, Ernie Clement and Kyle Harrison.

Our MLB player props model runs continuously, analyzing every matchup, including Mets vs. D-Backs and Athletics vs. Orioles, to surface the best MLB player prop bets across the market.

List of MLB prop picks for Sunday, 5/9

Sourced from 110+ total props today, below are the top ten MLB player props for May 9, ranked by probability.

Luis Castillo under 2.5 walks allowed (-197)

Our model has flagged value on Seattle's Luis Castillo under 2.5 walks allowed. A probability of 74.9% gives this play an edge of 8.5% at -197 odds.

 

Ernie Clement to get a hit (-215)

Ernie Clement’s to get a hit prop shows a 70.8% probability and an 2.6% edge at -215 odds, according to our model.

 

Kyle Harrison under 6.5 strikeouts (-152)

The data highlights value on Kyle Harrison under 6.5 strikeouts, with simulations showing a 69.3% probability and a 9.0% edge at -152.

 

Merrill Kelly under 2.5 walks allowed (-161)

Our model finds value on Merrill Kelly under 2.5 walks allowed, with a 67.8% probability and an edge of 6.1% at -161 odds.

 

Andres Gimenez to get a hit (-182)

Simulations indicate value on Andres Gimenez to get a hit for Toronto, showing an edge of 2.8% at -182 odds.

 

Anthony Kay over 3.5 strikeouts (-144)

Anthony Kay’s strikeouts prop shows an edge of 8.0% at -144 odds, supported by a 67.1% probability according to our model.

 

Aaron Nola under 6.5 strikeouts (-140)

Our model highlights value on Aaron Nola under 6.5 strikeouts for Philadelphia, with a 67.0% probability and a 8.6% edge at -140 odds.

 

Anthony Kay over 14.5 outs recorded (-151)

The data shows value on Anthony Kay over 14.5 outs recorded, supported by a 65.5% probability at -151 odds and an edge of 5.4%.

 

Landen Roupp under 2.5 walks allowed (-139)

A 6.8% edge on the under 14.5 walks allowed line makes Landen Roupp a value play in Pirates vs. Giants, supported by a 64.9% probability at -139 odds.

 

Spencer Strider under 3.5 earned runs (-158)

Simulations show value on Spencer Strider under 3.5 earned runs here, with a 64.6% probability and 3.4% edge at -158 odds.

 

MLB player prop summary: Saturday, May 9, 2026

A quick summary of today’s top props by probability according to our model as of 12:00AM ET:

Matchup Prop Odds Edge Probability
Mariners vs. White Sox Luis Castillo under 2.5 walks allowed -197 @ DraftKings 8.5% 74.9%
Angels vs. Blue Jays Ernie Clement to get a hit -215 @ BetRivers 2.6% 70.8%
Yankees vs. Brewers Kyle Harrison under 6.5 strikeouts -152 @ DraftKings 6.1% 67.8%
Mets vs. D-Backs Merrill Kelly under 2.5 walks allowed -161 @ DraftKings 6.1% 67.8%
Angels vs. Blue Jays Andres Gimenez to get a hit -182 @ Fanatics 2.8% 67.3%
Mariners vs. White Sox Anthony Kay over 3.5 strikeouts -144 @ FanDuel 8.0% 67.1%
Rockies vs. Phillies Aaron Nola under 6.5 strikeouts -140 @ DraftKings 8.6% 67.0%
Mariners vs. White Sox Anthony Kay over 14.5 outs recorded -151 @ DraftKings 5.4% 65.5%
Pirates vs. Giants Landen Roupp under 2.5 walks allowed -139 @ DraftKings 6.8% 64.9%
Braves vs. Dodgers Spencer Strider under 3.5 earned runs -158 @ DraftKings 3.4% 64.6%

Maximize your winning Potential with Dimers Pro's MLB prop picks

Curious about the added power of our MLB prop picks with Dimers Pro? Watch this explainer video to see how you can elevate your betting strategy and maximize your winning potential.

 

Conclusion

For May 9, 2026, our MLB prop bets feature players such as Luis Castillo, Ernie Clement and Kyle Harrison. 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 promotes responsible gambling.

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Written by
Jason Bevilacqua
Head of Content and Communities

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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