MLB player props today: Thursday's best props include Joey Cantillo [5/21/2026]

Joey Cantillo over 4.5 strikeouts (-147)

• Edge: 7.4%
• Probability: 66.9%
• Game: Guardians vs. Tigers (1:10PM ET)

Our model has flagged value on Cleveland's Joey Cantillo over 4.5 strikeouts. A probability of 66.9% gives this play an edge of 7.4% at -147 odds.

Spencer Strider over 5.5 strikeouts (-127)

• Edge: 4.8%
• Probability: 60.7%
• Game: Braves vs. Marlins (6:40PM ET)

Spencer Strider’s strikeouts prop shows a 60.7% probability and an 4.8% edge at -127 odds, according to our model.

MJ Melendez over 0.5 bases (-125)

• Edge: 2.8%
• Probability: 58.4%
• Game: Mets vs. Nationals (4:05PM ET)

The data highlights value on MJ Melendez over 0.5 bases, with simulations showing a 58.4% probability and a 2.8% edge at -125.

MJ Melendez to get a hit (-122)

• Edge: 3.4%
• Probability: 58.4%
• Game: Mets vs. Nationals (4:05PM ET)

Our model finds value on MJ Melendez to get a hit, with a 58.4% probability and an edge of 3.4% at -122 odds.

Casey Mize under 4.5 strikeouts (-120)

• Edge: 3.8%
• Probability: 58.3%
• Game: Guardians vs. Tigers (1:10PM ET)

Simulations indicate value on Casey Mize under 4.5 strikeouts for Detroit, showing an edge of 3.8% at -120 odds.

Patrick Bailey to get a hit (-106)

• Edge: 3.1%
• Probability: 54.5%
• Game: Guardians vs. Tigers (1:10PM ET)

Patrick Bailey’s to get a hit prop shows an edge of 3.1% at -106 odds, supported by a 54.5% probability according to our model.

Luis Severino under 17.5 outs recorded (+105)

• Edge: 2.9%
• Probability: 51.7%
• Game: Athletics vs. Angels (9:38PM ET)

Our model highlights value on Luis Severino under 17.5 outs recorded for Athletics, with a 51.7% probability and a 2.9% edge at +105 odds.

Jo Adell over 1.5 bases (+135)

• Edge: 4.7%
• Probability: 47.2%
• Game: Athletics vs. Angels (9:38PM ET)

The data shows value on Jo Adell over 1.5 bases, supported by a 47.2% probability at +135 odds and an edge of 4.7%.

Zach Neto over 1.5 bases (+135)

• Edge: 2.9%
• Probability: 45.4%
• Game: Athletics vs. Angels (9:38PM ET)

A 2.9% edge on the over 1.5 bases line makes Zach Neto a value play in Athletics vs. Angels, supported by a 45.4% probability at +135 odds.

Jo Adell over 0.5 to hit a home run (+497)

• Edge: 2.9%
• Probability: 19.6%
• Game: Athletics vs. Angels (9:38PM ET)

Simulations show value on Jo Adell over 0.5 to hit a home run here, with a 19.6% probability and 2.9% edge at +497 odds.

MLB player prop summary: Thursday, May 21, 2026

A quick summary of today’s top props by probability according to our model as of 1:33AM ET:

Conclusion

For May 21, 2026, our MLB prop bets feature players such as Joey Cantillo, Spencer Strider and MJ Melendez. 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.