MLB player props today: Saturday's best props include Gavin Williams [3/27/2026]

Dimers' MLB props are live for March 28, 2026, with today's top betting edges led by the likes of Gavin Williams, Luis Severino and Leo Rivas.

Our MLB player props model runs continuously, analyzing every matchup, including Royals vs. Braves and Angels vs. Astros, to surface the best MLB player prop bets across the market.

List of MLB prop bets for Saturday, 3/27

Sourced from 80+ total props today, below are the top ten MLB player props for March 27, ranked by edge.

Gavin Williams over 15.5 outs recorded (+125)

• Edge: 8.0%
• Probability: 52.4%
• Game: Guardians vs. Mariners (9:45PM ET)

Our model has flagged value on Cleveland's Gavin Williams over 15.5 outs recorded. A probability of 52.4% gives this play an edge of 8.0% at +125 odds.

Luis Severino over 1.5 walks allowed (-114)

• Edge: 7.8%
• Probability: 61.0%
• Game: Athletics vs. Blue Jays (7:07PM ET)

Luis Severino’s walks allowed prop shows a 61.0% probability and an 7.8% edge at -114 odds, according to our model.

Leo Rivas over 0.5 to steal a base (+675)

• Edge: 7.7%
• Probability: 20.6%
• Game: Guardians vs. Mariners (9:45PM ET)

The data highlights value on Leo Rivas over 0.5 to steal a base, with simulations showing a 20.6% probability and a 7.7% edge at +675.

Luis Severino over 3.5 strikeouts (-109)

• Edge: 7.6%
• Probability: 59.7%
• Game: Athletics vs. Blue Jays (7:07PM ET)

Our model finds value on Luis Severino over 3.5 strikeouts, with a 59.7% probability and an edge of 7.6% at -109 odds.

Leo Rivas to get a hit (+140)

• Edge: 7.5%
• Probability: 49.1%
• Game: Guardians vs. Mariners (9:45PM ET)

Simulations indicate value on Leo Rivas to get a hit for Seattle, showing an edge of 7.5% at +140 odds.

Sandy Alcantara over 1.5 earned runs (-140)

• Edge: 7.5%
• Probability: 65.8%
• Game: Rockies vs. Marlins (7:10PM ET)

Sandy Alcantara’s earned runs prop shows an edge of 7.5% at -140 odds, supported by a 65.8% probability according to our model.

Kevin Gausman under 5.5 strikeouts (+100)

• Edge: 7.4%
• Probability: 58.1%
• Game: Athletics vs. Blue Jays (7:07PM ET)

Our model highlights value on Kevin Gausman under 5.5 strikeouts for Toronto, with a 58.1% probability and a 7.4% edge at +100 odds.

Sandy Alcantara under 17.5 outs recorded (+145)

• Edge: 7.4%
• Probability: 48.2%
• Game: Rockies vs. Marlins (7:10PM ET)

The data shows value on Sandy Alcantara under 17.5 outs recorded, supported by a 48.2% probability at +145 odds and an edge of 7.4%.

Robbie Ray under 5.5 strikeouts (+111)

• Edge: 7.3%
• Probability: 54.6%
• Game: Yankees vs. Giants (4:35PM ET)

A 7.3% edge on the under 17.5 strikeouts line makes Robbie Ray a value play in Yankees vs. Giants, supported by a 54.6% probability at +111 odds.

Cam Schlittler over 12.5 outs recorded (-145)

• Edge: 7.2%
• Probability: 66.4%
• Game: Yankees vs. Giants (4:35PM ET)

Simulations show value on Cam Schlittler over 12.5 outs recorded here, with a 66.4% probability and 7.2% edge at -145 odds.

MLB player prop summary: Friday, March 27, 2026

A quick summary of today’s top props by edge according to our model as of 12:01AM ET:

Matchup	Prop	Odds	Edge	Probability
Guardians vs. Mariners	Gavin Williams over 15.5 outs recorded	+125 @ BetMGM	8.0%	52.4%
Athletics vs. Blue Jays	Luis Severino over 1.5 walks allowed	-114 @ DraftKings	7.8%	61.0%
Guardians vs. Mariners	Leo Rivas over 0.5 to steal a base	+675 @ BetMGM	7.6%	59.7%
Athletics vs. Blue Jays	Luis Severino over 3.5 strikeouts	-109 @ DraftKings	7.6%	59.7%
Guardians vs. Mariners	Leo Rivas to get a hit	+140 @ BetMGM	7.5%	49.1%
Rockies vs. Marlins	Sandy Alcantara over 1.5 earned runs	-140 @ BetMGM	7.5%	65.8%
Athletics vs. Blue Jays	Kevin Gausman under 5.5 strikeouts	+100 @ FanDuel	7.4%	58.1%
Rockies vs. Marlins	Sandy Alcantara under 17.5 outs recorded	+145 @ BetMGM	7.4%	48.2%
Yankees vs. Giants	Robbie Ray under 17.5 strikeouts	+111 @ DraftKings	7.3%	54.6%
Yankees vs. Giants	Cam Schlittler over 12.5 outs recorded	-145 @ BetMGM	7.2%	66.4%

Conclusion

For March 27, 2026, our MLB prop bets feature players such as Gavin Williams, Luis Severino and Leo Rivas. 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.