Best bets today for all sports: Saturday's picks include Reilly Opelka vs. Taylor Fritz tennis play [3/21/2026]

Today’s best sports bets for March 21, 2026 are here, with Reilly Opelka vs. Taylor Fritz and Aryna Sabalenka vs. Caty McNally on the WTA Tour among the top plays identified by our model across Saturday’s play.

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

List of best bets for today [3/21, updated 10:33PM ET]

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

Tennis: Taylor Fritz vs. Reilly Opelka under 25.5 total games (+104)

• Edge: 13.0%
• Probability: 62%
• Tennis matchup: Reilly Opelka vs. Taylor Fritz (1:10PM ET, Sunday)

Our model has identified value on under 25.5 total games in Taylor Fritz vs. Reilly Opelka at +104 odds in their matchup at ATP Miami Open. A 62% probability produces an edge of 13.0%, making this the strongest play for today's sports action.

Tennis: Caty McNally +7.5 games (-152)

• Edge: 13.0%
• Probability: 73.3%
• NRL matchup: Aryna Sabalenka vs. Caty McNally (7:00PM ET, Sunday)

At WTA Miami Open, Caty McNally +7.5 games carries a 13.0% edge and a probability of 73.3% at -152 odds, according to our model.

NRL: Titans vs. Cowboys over 57.5 points (-110)

• Edge: 8.8%
• Probability: 61.1%
• NRL Matchup: Titans vs. Cowboys (3:15AM ET, Sunday)

Titans vs. Cowboys over 57.5 points at -110 odds shows a 8.8% edge, supported by a 61.1% probability in simulations.

Tennis: Taylor Fritz -2.5 (+104)

• Edge: 8.5%
• Probability: 57.5%
• Tennis Matchup: Reilly Opelka vs. Taylor Fritz (1:10PM ET, Sunday)

An 8.5% edge and 57.5% probability make Taylor Fritz -2.5 vs. Reilly Opelka at a value play in the Reilly Opelka vs. Taylor Fritz matchup, per our model.

NRL: Dragons vs. Eels under 52.5 points (-110)

• Edge: 8.1%
• Probability: 60.4%
• NRL Matchup: Dragons vs. Eels (1:05AM ET, Sunday)

Dragons vs. Eels under 52.5 points at -110 odds presents a 8.1% edge, with simulations resulting in a probability of 60.4%.

NBA: Wizards +19.5 (-105)

• Edge: 8.0%
• Probability: 59.2%
• NBA Matchup: Wizards vs. Knicks (7:30PM ET, Sunday)

Our model finds value on Wizards +19.5 at -105 odds, supported by an edge of 8.0%.

Women's College Basketball: North Carolina State ML (+920)

• Edge: 7.6%
• Probability: 17.4%
• Women's College Basketball Matchup: North Carolina State vs. Michigan (1:00PM ET, Sunday)

Our model has uncovered value on North Carolina State ML at +920 odds. A 17.4% probability produces a 7.6% edge, making this a strong play for today's Women's College Basketball action.

Premier League: Tottenham ML (+135)

• Edge: 7.2%
• Probability: 49.8%
• Premier League Matchup: Nottingham Forest vs. Tottenham (10:15AM ET, Sunday)

A 7.2% edge on a 49.8% probability makes Tottenham to win at +135 odds a solid value play in today's Nottingham Forest vs. Tottenham matchup.

Tennis: Carlos Alcaraz -4.5 (-118)

• Edge: 6.8%
• Probability: 60.9%
• Tennis Matchup: Carlos Alcaraz vs. Sebastian Korda (2:20PM ET, Sunday)

Our model projects value on Carlos Alcaraz -4.5 at -118 odds. A 60.9% probability produces a 6.8% edge, making Carlos Alcaraz the favorable side in Saturday’s ATP Miami Open tennis matchup.

Men's College Basketball: Kansas +3.5 (-110)

• Edge: 6.0%
• Probability: 58.4%
• Men's College Basketball Matchup: North Carolina State vs. Michigan (5:15PM ET, Sunday)

Rounding out our top 10 bets, Kansas +3.5 at -110 odds shows a 58.4% probability and a 6.0% edge.

Best sports bets today summary: Saturday, 3/21/2026

As of 10:33PM ET, here are our top bets by edge recommended by our model:

Matchup	Bet	Odds	Edge	Probability
Opelka vs. Fritz (Tennis)	Under 25.5 Total Games	+104 @ FanDuel	13.0%	62%
Sabalenka vs. McNally (Tennis)	Caty McNally +7.5 Games	-152 @ FanDuel	13.0%	73.3%
Titans vs. Cowboys (NRL)	Over 57.5 Points	-110 @ DraftKings	8.8%	61.1%
Opelka vs. Fritz (Tennis)	Taylor Fritz -2.5	+104 @ FanDuel	8.5%	57.5%
Dragons vs. Eels (NRL)	Under 52.5 Points	-110 @ DraftKings	8.1%	60.4%
Wizards vs. Knicks (NBA)	Wizards +19.5	-105 @ BetMGM	8.0%	59.2%
North Carolina State vs. Michigan (Women's College Basketball)	North Carolina State ML	+920 @ FanDuel	7.6%	17.4%
Nottingham Forest vs. Tottenham (Premier League)	Tottenham ML	+135 @ DraftKings	7.2%	49.8%
Alcaraz vs. Korda (Tennis)	Carlos Alcaraz -4.5	-118 @ FanDuel	6.8%	60.9%
St. John's vs. Kansas (Men's College Basketball)	Kansas +3.5	-110 @ BetMGM	6.0%	58.4%

List of upcoming matchups to bet on now [3/21/2026]

• Liga MX: Club America vs. Pumas UNAM (11:10PM ET, Saturday)
• AFL: Bombers vs. Power (12:15AM ET, Sunday)
• NRL: Dragons vs. Eels (1:05AM ET, Sunday)
• AFL: Kangaroos vs. Eagles (3:10AM ET, Sunday)
• NRL: Titans vs. Cowboys (3:15AM ET, Sunday)
• EPL: Sunderland vs. Newcastle (8:00AM ET, Sunday)
• La Liga: Rayo Vallecano vs. Barcelona (9:00AM ET, Sunday)
• EPL: West Ham vs. Aston Villa (10:15AM ET, Sunday)
• EPL: Nottingham Forest vs. Tottenham (10:15AM ET, Sunday)
• Tennis: Jasmine Paolini vs. Jelena Ostapenko (11:00AM ET, Sunday)

AI betting support with Dimebot

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Conclusion

Our best bets are locked and loaded for March 21, 2026, featuring plays such as under 25.5 total games in the Reilly Opelka vs. Taylor Fritz matchup and Caty McNally +7.5 games. Powered by advanced simulations, these picks are here to boost your betting game.

This article, enhanced by AI and automation, aims to deliver accurate 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.

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