Best betting promos and sportsbooks for MLB prop bets [June 5, 2026]

The Chicago Cubs kick off Friday’s slate of games with a favorable matchup against the San Francisco Giants.

After a rough start to the year, Robbie Ray has been unable to find his footing, creating Whiffs at a low rate while consistently putting runners in scoring position.

Unfortunately for the San Francisco Giants pitcher, his struggles on the mound are poised to persist as he battles it out against the Chicago Cubs who rank well above league average in most offensive metrics.

With fifteen games taking place on Friday, there are plenty of prop bets and markets to wager on which you can read a detailed breakdown of them below.

Best betting promos and sportsbooks for MLB prop bets

Find the best promos and sportsbooks to use for today’s MLB prop bets.

San Francisco Giants vs Chicago Cubs (2:20pm, EST)

Chicago Cubs Team Total Over 5.5 (-125) at BetMGM Sportsbook

Since the start of the regular season, Robbie Ray has struggled with his command, kicking off his 2026 campaign averaging an ERA of 4.45, a WHIP of 1.404, and a FIP of 5.40.

His slow start to the year can be attributed to his low Whiff Rate, generating less than one Strikeout per Inning Pitched.

Heading into Friday, expect Rays struggles on the mound to be on full display as the San Francisco Giants ace faces off against the Chicago Cubs who reside near the top of the board in Hit Rate, RBIs, Runs Scored, On Base Percentage, and in OPS.

Especially with Ray’s back end giving him minimal support with their coverage, surrounding their ace with an outfield who hovers around the bottom five in Defensive Efficiency.

Robbie Ray Under 15.5 Outs (-139) at Caesars Sportsbook

With Ray consistently putting runners on base while the Cubs make contact at a high rate, the Giants will be quick to pull their pitcher off the mound in an attempt to limit the damage, keeping Ray under the total on his Outs prop.

If you want to diversify your risk on the Giants pitcher, place another smaller wager on Ray to clear the over of 5.5 on his Hits Allowed prop as well.

Seattle Mariners vs Detroit Tigers (9:40pm, EST)

Detroit Tigers Team Total Under 3.5 (-120) at BetMGM Sportsbook

After going 5-5 in their last ten games, the Detroit Tigers odds of winning the AL Central have plummeted, dropping 10.5 games back from Cleveland for first in the division standings.

Their lack of production on offense has been a constant thorn in their side, fielding a lineup who ranks below league average in Hit Rate and in On Base Percentage.

Against the Seattle Mariners, expect the Tigers to continue to be held out of scoring position, battling it out against Bryan Woo who is averaging a WHIP of 0.962 and a FIP of 2.96 while giving up less than one Hit Against per inning.

The Mariners back end will also lessen the width of the Tigers gaps in the outfield with their coverage, starting a unit who ranks eighth in Fielding Percentage.

Wenceel Perez Under 0.5 Total Hit (+105) at BetMGM Sportsbook

Wenceel Perez’s regression has made it difficult for the Tigers to string together their Hits, generating less than 0.5 Hit per game, a .170 Batting Average, and a .548 OPS.

With Woo avoiding contact while strategically attacking the strike zone, expect Perez to continue to struggle with barreling up the ball and be held without a Hit on Friday night.

Baltimore Orioles vs Toronto Blue Jays (7:07pm, EST)

Trey Yesavage Over 5.5 Strikeouts (-170) at FanDuel Sportsbook

When at full health, Trey Yesavage has been dominant in his brief starts, averaging an ERA of 2.19, a WHIP of 1.162, and a FIP of 2.45.

Yesavage’s success on the mound stems from his aggression and pin point accuracy, generating less than one Hit Against and more than one Strikeout per Inning Pitched.

In a favorable matchup against the Baltimore Orioles, expect Yesavage to continue to create Whiffs at a high rate from the opening pitch, taking advantage of an offense who ranks in the bottom half of the board in Hit Rate and in Strikeout Rate.

For some more exposure, escalator bet Yesavage’s Strikeout prop by placing smaller wagers on his alternate overs at the best available odds across multiple sportsbooks.

About the author

Kody Malstrom

Kody Malstrom is a professional sports bettor and sports betting journalist with six years of experience covering a vast majority of sports. He covers football, basketball, hockey, baseball, and the UFC in written and video form.

Born and raised in Michigan, Kody is a Detroit sports fan who spends all of his Sundays in the fall rooting for the Detroit Lions and Saturdays watching as much College Football as possible. In the winter, he shifts his focus to the Detroit Red Wings and Pistons while simultaneously rooting for his North Carolina Tar Heels.

When he is not staring at betting markets, you can find Kody at the beach or snowboarding down a mountain, depending on the time of the year.

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