• The Giants are +110 favorites vs the Rays
• Giants vs Rays Over / Under today: 8 Runs
• Giants / Rays TV Channel: NSBA | RATV

The San Francisco Giants (+110) visit Tropicana Field to take on the Tampa Bay Rays (-130) on May 3, 2026. First pitch is scheduled for 1:40 pm in St. Petersburg, FL.

This season, the Giants are 13-20 against the spread (ATS), while the Rays are 20-12 ATS.

Giants vs Rays Starting Pitchers Today:

• Giants starting pitcher: Tyler Mahle 1-4, 5.94 ERA
• Rays starting pitcher: Steven Matz 4-1, 4.36 ERA

Giants vs. Rays Odds, Run Line, Over/Under & Moneyline

Giants vs Rays Prediction for Today’s Game

Based on recent trends the model predicts the Rays will win Sunday‘s MLB game with 51.1% confidence, factoring in game simulations, recent player performances, starting pitchers and injuries.

Bet now on Giants vs Rays and all games with BetMGM

We’ve highlighted some favorite MLB player prop bets for Giants players for Sunday‘s game, looking at profitable historical betting trends:

Best Giants Player Prop Bets Today:

• Willy Adames has hit the Walks Under in 18 of his last 20 games (+13.30 Units / 32% ROI)
• Rafael Devers has hit the Runs Under in 17 of his last 20 games (+12.65 Units / 38% ROI)
• Willy Adames has hit the Hits Runs and RBIs Under in 18 of his last 25 away games (+10.20 Units / 33% ROI)
• Jung Hoo Lee has hit the Total Bases Over in 13 of his last 20 games (+8.60 Units / 35% ROI)
• Heliot Ramos has hit the Home Runs Over in 2 of his last 8 away games (+7.10 Units / 89% ROI)

And here are some favorite MLB player prop bets for Rays players for Sunday‘s game, looking at profitable historical betting trends:

Best Rays Player Prop Best Bets Today:

• Jonathan Aranda has hit the Home Runs Over in 3 of his last 9 games (+12.10 Units / 134% ROI)
• Junior Caminero has hit the Hits Over in 12 of his last 15 games (+9.90 Units / 34% ROI)
• Chandler Simpson has hit the Singles Over in 16 of his last 20 games at home (+8.75 Units / 24% ROI)
• Chandler Simpson has hit the Hits Runs and RBIs Over in 15 of his last 20 games at home (+8.20 Units / 31% ROI)
• Jonathan Aranda has hit the RBIs Over in 6 of his last 9 games (+8.05 Units / 89% ROI)

Giants Best Bets Today:

• The San Francisco Giants have hit the Team Total Under in 15 of their last 21 away games (+8.25 Units / 34% ROI)
• The San Francisco Giants have hit the 1st Five Innings (F5) Team Total Over in 29 of their last 50 away games (+5.30 Units / 9% ROI)
• The San Francisco Giants have hit the Game Total Under in 5 of their last 6 away games (+3.90 Units / 58% ROI)
• The San Francisco Giants have covered the Run Line in 25 of their last 45 away games (+1.60 Units / 3% ROI)

Rays Best Bets Today:

• The Tampa Bay Rays have covered the Run Line in 18 of their last 25 games (+13.30 Units / 41% ROI)
• The Tampa Bay Rays have hit the Moneyline in 18 of their last 25 games (+11.45 Units / 39% ROI)
• The Tampa Bay Rays have covered the 1st Five Innings (F5) Run Line in 21 of their last 30 games at home (+11.15 Units / 31% ROI)
• The Tampa Bay Rays have hit the 1st Five Innings (F5) Moneyline in 19 of their last 30 games at home (+8.30 Units / 22% ROI)
• The Tampa Bay Rays have hit the Team Total Over in 30 of their last 50 games (+7.20 Units / 12% ROI)

Giants Against the Spread (ATS) Record

Against the spread this season, the Giants are 13-19 against the Run Line (-12.75 Units / -27.42% ROI).

• 13-20 when betting on the Moneyline for -6.6 Units / -18.51% ROI
• 14-16 when betting on the total runs Over for -3.45 Units / -9.53% ROI
• 16-14 when betting on the total runs Under for +0.55 Units / 1.51% ROI

Rays Against the Spread (ATS) Record

Against the spread this season, the Rays are 20-12 against the Run Line (+8.85 Units / 21.12% ROI).

• 20-12 when betting on the Moneyline for +8.2 Units / 22.13% ROI
• 16-14 when betting on the total runs Over for +0.45 Units / 1.28% ROI
• 14-16 when betting on the total runs Under for -3.95 Units / -11.17% ROI

Rays vs Giants Home Run Prop Bets Today

Rays vs Giants Total Hits Prop Bets Today

Rays vs Giants Strikeout Prop Bets Today

Giants Keys to the Game vs. the Rays

The Giants are just 6-13 (.316) after a loss this season — tied for 2nd lowest in MLB; League Avg: .472.

The Giants are just 1-8 (.111) when allowing 2 or more home runs this season — tied for 3rd lowest in MLB; League Avg: .296.

The Giants are just 78-7 (.918) when leading entering the 9th inning since the 2025 season — 2nd lowest in MLB; League Avg: .954.

The Giants are just 9-3 (.750) when leading entering the 7th inning this season — tied for 5th lowest in MLB; League Avg: .853.

Rays Keys to the Game vs. the Giants

The Rays are 14-5 (.737) after a win this season — best in MLB; League Avg: .528.

The Rays are 16-0 (1.000) when leading entering the 7th inning this season — tied for best in MLB; League Avg: .853.

The Rays are 17-1 (.944) when allowing 4 or fewer runs this season — best in MLB; League Avg: .728.

The Rays are 20-12 (.625) this season — 4th best in MLB; League Avg: .500.

Giants Hitting Stats & Trends

Giants hitters have an OBP of just .285 (822 PA’s) against RHP this season — lowest in MLB.

Giants hitters have drawn walks in 6% of their PA’s against RHP this season — lowest in MLB.

Giants hitters have drawn walks in 6% of their PA’s this season — lowest in MLB.

Giants hitter’ K:BB ratio is 4.0 against RHP this season — highest in MLB.

Rays Hitting Stats & Trends

Rays hitters have missed on just 20% of swings this season — best in MLB.

Rays hitters are slugging .298 on pitches out of the zone this season — 2nd best in MLB.

Rays hitters have a Hard-Hit Rate of just 33% this season — lowest in MLB.

Rays hitters have put 43% of their swings in play with runners in scoring position this season — highest in MLB.

Giants Pitching Stats & Trends

Opponents have a groundball rate of 47% against Giants pitchers this season — highest in MLB.

Opponents had a groundball rate of 49% against Giants pitchers in the 2024 season — highest in MLB.

Opponents have a groundball rate of 46% against Giants pitchers since the 2025 season — 3rd highest in MLB.

Giants pitchers have induced opposing hitters to ground into 31 double plays in 238 opportunities (13%) this season — 2nd best in MLB.

Rays Pitching Stats & Trends

Rays pitchers have a strikeout rate of just 18% versus the bottom of the order this season — lowest in MLB.

Rays pitchers have a strikeout rate of 25% with runners in scoring position since the 2025 season — best in MLB.

The Rays have allowed 1.88 runs per game (60/32) in the first 5 innings this season — tied for 2nd best in MLB.

Rays pitchers have a strikeout rate of just 18% versus hitters not batting 3-4-5 in the order this season — 2nd lowest in MLB.

More MLB Reading:

• Home Run Predictions Today
• Best NRFI Bets Today
• Strikeout Props Today
• MLB Starting Pitchers Today

Bet now on Giants vs Rays and all games with BetMGM

Bet on MLB Odds at BetMGM

Sportsbook promos are always available at BetMGM. For new customers, check out the sportsbook welcome offer and BetMGM Refer a Friend. For existing customers, there are Odds Boosts, Parlay Boosts, contests and more.