Best WNBA Bets Today: Wednesday's Picks Include Two Over/Under Plays [5/21/2025]

WNBA betting is back for another attractive day on 5/21, and we're here to serve up our top picks for Wednesday's action.

Today's WNBA best bets include matchups like the Sparks vs. Mercury game at 10:00PM ET, 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 WNBA bets—the ones with true long-term value—join Dimers Pro.

Pro members get unlimited access to everything Dimers has to offer on Wednesday, May 21, 2025, including our full suite of WNBA picks and best bets.

List of WNBA Best Bets Tonight [5/21, Updated 9:32PM ET]

After crunching the numbers and running thousands of simulations, our famous predictive analytics model has figured out the best WNBA bets for Wednesday, May 21, 2025.

While these picks are sorted by probability, the real edge—the bets with the highest long-term value—is reserved for Dimers Pro subscribers. Because smart betting isn't just about what's likely—it's about what's profitable.

Mercury ML (-200)

• Probability: 71%
• Edge: 5.1%
• Matchup: Sparks vs. Mercury (10:00PM ET, Wednesday)

Our model has pinpointed a high-probability WNBA betting opportunity tonight, which comes in the Sparks vs. Mercury matchup. We recommend a bet on the Mercury ML at -200 odds, with our analysis showing a 71% chance of hitting and a compelling edge of 5.1%.

Sparks vs. Mercury Over 160 Points (-105)

• Probability: 64.2%
• Edge: 13.0%
• Matchup: Sparks vs. Mercury (10:00PM ET, Wednesday)

Our model has found another strong WNBA bet for Wednesday's basketball action, again in the matchup between the Sparks and Mercury. We suggest placing an over/under wager on Over 160 Points at -105 odds, with a 64.2% probability delivering a 13.0% edge.

MORE: WNBA Props

Mystics vs. Valkyries Over 162.5 Points (-108)

• Probability: 57.2%
• Edge: 5.3%
• Matchup: Mystics vs. Valkyries (10:00PM ET, Wednesday)

Our model has found another strong WNBA bet for today's basketball action,this time in the Mystics vs. Valkyries matchup. We recommend an over/under bet on Over 162.5 Points at -108 odds. Our model shows a 57.2% probability and 5.3% edge for this wager.

MORE: Wednesday Parlay Picker

WNBA Best Bets: Wednesday, 5/21/2025

As of 9:32PM ET, here are our top three WNBA bets by probability recommended by our model:

Matchup	Bet	Odds	Probability	Edge
Sparks vs. Mercury	Mercury ML	-200 @ BetMGM	71%	5.1%
Sparks vs. Mercury	Over 160 Points	-105 @ DraftKings	64.2%	13.0%
Mystics vs. Valkyries	Over 162.5 Points	-108 @ DraftKings	57.2%	5.3%

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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 six WNBA 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 May 21, 2025.

List of Upcoming WNBA Games to Bet On [5/21/2025]

• Mystics vs. Valkyries (10:00PM ET, Wednesday)
• Sparks vs. Mercury (10:00PM ET, Wednesday)
• Fever vs. Dream (7:30PM ET, Thursday)
• Liberty vs. Sky (8:00PM ET, Thursday)

More About WNBA

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

For more WNBA betting content, we have WNBA betting news and the latest WNBA title odds and predictions.

Conclusion

Our WNBA best bets are locked and loaded for May 21, 2025, featuring plays such as Mercury ML and Over 160 Points. Powered by advanced simulations, these picks are here to boost your betting game.

This article, enhanced by AI and automation, aims to deliver accurate WNBA insights quickly, with human oversight ensuring high editorial quality. Our predictions are rooted in 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.