Blue Jays vs Rays Expert Picks & Predictions on May 4

• The Rays are 6-0 as favorites in their past 6 games
• The Blue Jays are 4-8 as an underdog this season
• See our best bets and analysis for Blue Jays at Rays on Monday night

The Tampa Bay Rays are 21-12, owners of the second-best record in the American League.

The Toronto Blue Jays, who reached the World Series last season, are 16-18 and still trying to find their way without Bo Bichette.

Tonight, the AL East rivals begin a 3-game series at Tropicana Field.

Tampa Bay righthander Nick Martinez (2-1, 1.70 ERA) goes against Blue Jays lefty Eric Lauer (1-3, 6.00). First pitch is set for 6:40 pm, ET. MLB.TV, which is part of each Fubo TV package, will broadcast the game nationally.

The Rays are 9-1 in their past 10 games and are favorites to win tonight.

We’ll break down the game, analyze the pitching matchup and offer the best bets for game 1 of Blue Jays at Rays.

Blue Jays vs Rays Odds

The graphic above displays the best available odds, which are subject to change

The current odds board positions the Rays as slight home favorites (-123) on the moneyline. Removing the sportsbook’s vig (the 4.41% house edge), the implied true probability sits at roughly 52.8% for a Tampa Bay win compared to 47.2% for Toronto.

Interestingly, there has been a massive directional shift in the runline market since the opening numbers. The spread originally opened with the Rays as -1.5 (+176) favorites. Throughout the morning, sharp money grabbed the runs, flipping the board completely and turning Toronto into the -1.5 (+169) runline favorite. Meanwhile, the total remains locked at 8 runs, though the juice has shifted slightly toward the Under (-115), signaling respect for Martinez’s ability to silence bats.

Rays vs Blue Jays Predictions & Expert Picks

Best Bet: Tampa Bay To Win (YES, $0.54 per/-117 at Kalshi)

Why are we backing the Rays? Several reasons, but it starts with with their distinct advantage on the mound.

Nick Martinez has been sensational with a 1.70 ERA and 1.00 WHIP. Averaging 6.17 innings per start, Martinez has been a model of efficiency, keeping lineups off the basepaths. Toronto southpaw Eric Lauer has struggled to find the strike zone or keep the ball in the yard, carrying a bloated 6.00 ERA and surrendering a concerning 2.33 home runs per nine innings.

Taking the Rays to win outright is the most logical play. The situational trends heavily support this angle: Tampa Bay is 6-0 as a favorite over their last 10 games, cashing at a 100% clip. Meanwhile, Toronto has won just 33.3% of its games as an underdog this season (4-8). Backing the superior starting pitcher with the better bullpen and a lineup perfectly constructed for Tropicana Field offers strong standalone value.

Prediction site Kalshi has moneyline contracts available for each team. Taking the Rays to win is trading at $0.54 per contract, which equates to -117 odds. That makes the Kalshi contract more valuable than the best odds currently available at sportsbooks.

If you don’t already have an account at Kalshi, click “PREDICT” in the graphic below to claim SBD’s exclusive Kalshi referral code.

Prediction Markets

Rays vs Blue Jays

Learn more about Prediction Markets

Kalshi

Tampa Bay

54%

Toronto

47%

Predict

Rays vs Blue Jays Top 3 Prop Bets to Target

Nick Martinez Over 17.5 Pitching Outs (+104, DraftKings): Martinez is averaging 6.17 innings per start (18.5 outs). Getting plus-money on him to simply finish six full frames against a depleted Toronto lineup is tremendous value.

Yandy Diaz Over 1.5 Total Bases (+105, DraftKings): Diaz has been a force in the batter’s box, posting a .333 batting average and a robust .504 slugging percentage. Lauer’s tendency to allow baserunners (.262 opponent average) plays perfectly into Diaz’s gap-to-gap approach.

Eric Lauer Under 14.5 Pitching Outs (-115, DraftKings): Lauer is averaging just 4.40 innings (13.2 outs) per start. With a 4.33 BB/9 rate escalating his pitch counts early, expecting him to survive five full innings against an offense that grinds out at-bats is a tall order.

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Rays vs Blue Jays Situational Betting Trends to Watch

• Tampa Bay Dominance: The Rays have won 90% of their last 10 contests (9-1 overall).
• Tampa Bay as a Favorite: The Rays are 11-3 when laying odds this season and 6-0 in their last six games as a favorite.
• Tampa Bay Totals: The Under has cashed in 90% of the Rays’ last 10 games. Overall this season, the Over has hit in just 39.4% of their matchups.
• Toronto as an Underdog: The Blue Jays are 4-8 as an underdog this season.
• Toronto Recent Form: Despite their underdog struggles, the Blue Jays have played decent baseball overall lately, winning 60% of their last 10 games (6-4).

Now let’s dive into some of the key stats driving our recommendations …

Nick Martinez vs Eric Lauer 2026 Stats

Nick Martinez vs Blue Jays

Blue Jays Hitters vs Nick Martinez

Eric Lauer vs Rays

Rays Hitters vs Eric Lauer

Rays vs Blue Jays Home/Road Statistical Breakdown

To understand how these divisional foes match up, comparing Tampa Bay’s home numbers against Toronto’s road metrics paints a vivid picture of contrasting styles.

Rays vs Blue Jays Public Betting and Money Splits

Let’s dive into MLB public betting trends for tonight’s game at the Trop

Moneyline & Runline Markets: Currently, 67.5% of the moneyline tickets and a massive 83.8% of the total cash are backing Tampa Bay outright. This heavy money percentage indicates that larger, respected wagers are fading Eric Lauer. In the runline market, an overwhelming 87.2% of the tickets and 90.2% of the handle have scooped up the +1.5 runs with the Rays following the dramatic line flip.

Total Runs Market: Despite the Under cashing in 90% of Tampa Bay’s recent games, bettors are overwhelmingly projecting an offensive showing. The Over has accumulated 82.2% of the tickets and 85.3% of the money. The public clearly expects the Rays’ lineup to generate plenty of run support against Lauer’s 6.00 ERA.