Best bets today for all sports: Thursday's picks include Casper Ruud vs. Mariano Navone tennis play [5/21/2026]

Today’s best sports bets for May 21, 2026 are here, with Casper Ruud vs. Mariano Navone highlighted by our model across Thursday’s action.

Dimers’ predictive analytics engine runs 24/7, searching the latest odds to uncover genuine betting edges. The result? Data-backed picks that help Dimers Pro members make smarter decisions.

List of best bets for today [5/21, updated 10:34PM ET]

Below, you’ll find today’s top 10 bets, ranked by edge for Thursday, May 21, 2026.

Tennis: Casper Ruud ML (+365)

• Edge: 58.3%
• Probability: 79.8%
• Tennis matchup: Casper Ruud vs. Mariano Navone (8:00AM ET, Friday)

Our model has identified value on Casper Ruud to defeat Mariano Navone at +365 odds in their matchup at ATP Geneva Open. A 79.8% probability produces an edge of 58.3%, making this the strongest play for today's sports action.

Tennis: Casper Ruud +6.5 games (-110)

• Edge: 46.3%
• Probability: 98.7%
• Tennis matchup: Casper Ruud vs. Mariano Navone (8:00AM ET, Friday)

At ATP Geneva Open, Casper Ruud +6.5 games carries a 46.3% edge and a probability of 98.7% at -110 odds, according to our model.

Tennis: Mariano Navone vs. Casper Ruud over 34.5 total games (-112)

• Edge: 42.9%
• Probability: 95.7%
• Tennis Matchup: Casper Ruud vs. Mariano Navone (8:00AM ET, Friday)

Mariano Navone vs. Casper Ruud over 34.5 total games at -112 odds shows a 42.9% edge, supported by a 95.7% probability in simulations of the ATP Geneva Open match.

MLB: Nationals vs. Braves over 6.5 runs (+100)

• Edge: 10.2%
• Probability: 60.2%
• MLB Matchup: Nationals vs. Braves (7:15PM ET, Friday)

A 10.2% edge and 60.2% probability make Nationals vs. Braves over 6.5 runs at a value play in the Nationals vs. Braves matchup, per our model.

NRL: Storm vs. Bulldogs under 48.5 points (-120)

• Edge: 9.9%
• Probability: 62.2%
• NRL Matchup: Storm vs. Bulldogs (6:00AM ET, Friday)

Storm vs. Bulldogs under 48.5 points at -120 odds presents a 9.9% edge, with simulations resulting in a probability of 62.2%.

WNBA: Wings vs. Dream under 172.5 points (+105)

• Edge: 9.7%
• Probability: 58.5%
• WNBA Matchup: Wings vs. Dream (7:30PM ET, Friday)

Our model finds value on under 172.5 points in Wings vs. Dream at +105 odds, supported by an edge of 9.7%.

MLB: Astros vs. Cubs over 7.5 runs (+115)

• Edge: 8.0%
• Probability: 54.5%
• MLB Matchup: Astros vs. Cubs (2:20PM ET, Friday)

Our model has uncovered value on Astros vs. Cubs over 7.5 runs at +115 odds. A 54.5% probability produces an 8.0% edge, making this a strong play for today's MLB action.

MLB: Twins vs. Red Sox over 7.5 runs (-106)

• Edge: 7.5%
• Probability: 59%
• MLB Matchup: Twins vs. Red Sox (7:10PM ET, Friday)

A 7.5% edge on a 59% probability makes over 7.5 runs at -106 odds a solid value play in today's Twins vs. Red Sox matchup.

MLB: White Sox vs. Giants over 7.5 runs (+122)

• Edge: 6.5%
• Probability: 51.5%
• MLB Matchup: White Sox vs. Giants (10:15PM ET, Friday)

Our model projects value on over 7.5 runs at +122 odds. A 51.5% probability produces a 6.5% edge, making the over the favorable side in Saturday’s MLB matchup.

MLB: Dodgers vs. Brewers over 8.5 runs (+111)

• Edge: 6.2%
• Probability: 53.7%
• MLB Matchup: Dodgers vs. Brewers (7:40PM ET, Friday)

Rounding out our top 10 bets, Dodgers vs. Brewers over 8.5 runs at +111 odds shows a 53.7% probability and a 6.2% edge.

Best sports bets today summary: Thursday, 5/21/2026

As of 10:34PM ET, here are our top bets by edge recommended by our model:

List of upcoming events to bet on now [5/21/2026]

• AFL: Bombers vs. Tigers (5:45AM ET, Friday)
• NRL: Storm vs. Bulldogs (6:00AM ET, Friday)
• AFL: Saints vs. Dockers (6:30AM ET, Friday)
• Tennis: Mariano Navone vs. Casper Ruud (8:00AM ET, Friday)
• Tennis: Anhelina Kalinina vs. Panna Udvardy (8:00AM ET, Friday)
• Tennis: Petra Marcinko vs. Jil Teichmann (9:10AM ET, Friday)
• Tennis: Ignacio Buse vs. Aleksandar Kovacevic (9:30AM ET, Friday)
• Tennis: Alexander Bublik vs. Learner Tien (9:30AM ET, Friday)
• Tennis: Jaqueline Cristian vs. Victoria Mboko (10:30AM ET, Friday)
• Tennis: Tommy Paul vs. Alex de Minaur (11:30AM ET, Friday)

Conclusion

Our best bets are locked and loaded for May 21, 2026, featuring plays such as Casper Ruud ML and Casper Ruud +6.5 games. Powered by advanced simulations, these picks are here to boost your betting game.

Our predictions are based on 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.