Rays vs Mariners Prediction, Odds & Player Prop Bets Today – MLB, Aug 7

Seattle Mariners' Julio Rodriguez reacts after the umpires confirmed a challenged call, ruling him out for fan interference on a foul ball during the eighth inning of the team's baseball game against the Oakland Athletics, Tuesday, May 23, 2023, in Seattle.
(AP Photo/Caean Couto)
Sportsbook Promos
  • The Rays are -102 favorites vs the Mariners
  • Rays vs Mariners Over / Under today: 7 Runs
  • Rays / Mariners TV Channel: ATV

The Tampa Bay Rays (-102) visit T-Mobile Park to take on the Seattle Mariners (-118) on August 7, 2026. First pitch is scheduled for 9:45 pm in Seattle, WA.

This season, the Rays are 68-46 against the spread (ATS), while the Mariners are 44-72 ATS.

Rays vs Mariners Starting Pitchers Today:

  • Rays starting pitcher: Drew Rasmussen 10-5, 2.91 ERA
  • Mariners starting pitcher: Logan Gilbert 8-6, 3.46 ERA

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

SpreadOver / UnderMoneyline
Rays-1.5 +165O 7 -120-102
Mariners +1.5 -220U 7 +100-118

Rays vs Mariners Prediction for Today’s Game

Based on recent trends the model predicts the Mariners will win Friday‘s MLB game with 51.0% confidence, factoring in game simulations, recent player performances, starting pitchers and injuries.


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

Best Rays Player Prop Bets Today:

  • Nick Fortes has hit the Home Runs Over in 3 of his last 6 away games (+27.00 Units / 450% ROI)
  • Liam Hicks has hit the Hits Over in 20 of his last 25 away games (+14.10 Units / 31% ROI)
  • Liam Hicks has hit the Singles Over in 20 of his last 25 away games (+13.00 Units / 39% ROI)
  • Drew Rasmussen has hit the Walks Allowed Under in 16 of his last 20 games (+10.25 Units / 34% ROI)
  • Liam Hicks has hit the Hits Runs and RBIs Over in 17 of his last 25 away games (+9.20 Units / 33% ROI)

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

Best Mariners Player Prop Best Bets Today:

  • Cal Raleigh has hit the Total Bases Under in 19 of his last 25 games at home (+13.70 Units / 44% ROI)
  • Taylor Ward has hit the Runs Under in 17 of his last 20 games at home (+12.80 Units / 44% ROI)
  • Julio Rodriguez has hit the Singles Over in 19 of his last 25 games (+11.85 Units / 41% ROI)
  • Taylor Ward has hit the Walks Over in 15 of his last 25 games (+8.60 Units / 34% ROI)
  • Cal Raleigh has hit the Hits Runs and RBIs Under in 15 of his last 20 games (+8.50 Units / 30% ROI)
  • The Tampa Bay Rays have covered the Run Line in 28 of their last 50 games (+13.15 Units / 23% ROI)
  • The Tampa Bay Rays have hit the Game Total Under in 29 of their last 50 games (+7.15 Units / 13% ROI)
  • The Tampa Bay Rays have hit the Team Total Under in 9 of their last 11 games (+7.00 Units / 53% ROI)
  • The Tampa Bay Rays have hit the Moneyline in 12 of their last 16 games (+6.70 Units / 30% ROI)
  • The Tampa Bay Rays have covered the 1st Five Innings (F5) Run Line in 26 of their last 45 games (+4.00 Units / 8% ROI)
  • The Seattle Mariners have hit the Team Total Under in 29 of their last 45 games (+12.40 Units / 24% ROI)
  • The Seattle Mariners have hit the 1st Five Innings (F5) Team Total Under in 28 of their last 45 games (+9.60 Units / 18% ROI)
  • The Seattle Mariners have hit the Game Total Over in 14 of their last 23 games (+8.45 Units / 33% ROI)
  • The Seattle Mariners have hit the Moneyline in 19 of their last 30 games at home (+4.10 Units / 9% ROI)
  • The Seattle Mariners have hit the 1st Five Innings (F5) Moneyline in 4 of their last 7 games at home (+1.45 Units / 13% ROI)

Rays Against the Spread (ATS) Record

Against the spread this season, the Rays are 64-49 against the Run Line (+23.5 Units / 17.16% ROI).

  • 68-46 when betting on the Moneyline for +14.35 Units / 9.98% ROI
  • 50-59 when betting on the total runs Over for -14.4 Units / -11.55% ROI
  • 59-50 when betting on the total runs Under for +3.65 Units / 2.89% ROI

Mariners Against the Spread (ATS) Record

Against the spread this season, the Mariners are 44-72 against the Run Line (-19.85 Units / -15.75% ROI).

  • 56-60 when betting on the Moneyline for -20.05 Units / -12.73% ROI
  • 58-51 when betting on the total runs Over for +2.05 Units / 1.6% ROI
  • 51-58 when betting on the total runs Under for -12.5 Units / -9.82% ROI

Mariners vs Rays Home Run Prop Bets Today

Yes
Junior Caminero +250
Cal Raleigh +400
Dominic Canzone +450
Julio Rodriguez +450
Randy Arozarena +525

Mariners vs Rays Total Hits Prop Bets Today

Over Under
Yandy Diaz 0.5 -235 0.5 +170
Chandler Simpson 0.5 -220 0.5 +165
Junior Caminero 0.5 -210 0.5 +155
Cole Young 0.5 -200 0.5 +150
Jonathan Aranda 0.5 -190 0.5 +140

Mariners vs Rays Strikeout Prop Bets Today

Over Under
Randy Arozarena 0.5 -250 0.5 +180
Dominic Canzone 0.5 -235 0.5 +175
Junior Caminero 0.5 -220 0.5 +165
Julio Rodriguez 0.5 -210 0.5 +155
Taylor Ward 0.5 -210 0.5 +155

Rays Keys to the Game vs. the Mariners

The Rays were 70-1 (.986) when leading entering the 9th inning in the 2024 season — tied for 2nd best in MLB; League Avg: .949.

The Rays were 16-64 (.200) when trailing entering the 7th inning in the 2024 season — tied for 4th best in MLB; League Avg: .143.

The Rays were just 57-14 (.803) when leading entering the 7th inning in the 2025 season — 4th lowest in MLB; League Avg: .875.

The Rays were just 63-11 (.851) when leading entering the 8th inning in the 2025 season — 4th lowest in MLB; League Avg: .909.

Mariners Keys to the Game vs. the Rays

The Mariners were 58-5 (.921) when they scored 5 or more runs in the 2024 season — best in MLB; League Avg: .804.

The Mariners were 12-55 (.179) when trailing entering the 7th inning in the 2025 season — 3rd best in MLB; League Avg: .124.

The Mariners were 18-10 (.643) when tied entering the 7th inning in the 2025 season — 4th best in MLB; League Avg: .500.

The Mariners were 18-1 (.947) when they had 5 or more XBH in the 2024 season — 3rd best in MLB; League Avg: .809.

The Rays are batting .262 with two outs this season — best in MLB.

Rays hitters are slugging .280 on pitches out of the zone this season — best in MLB.

The Rays are batting .202 on pitches out of the zone this season — best in MLB.

Rays hitters have struck out in just 18% of their PA’s against LHP this season — 3rd best in MLB.

Mariners hitters have been successful in 100% of their sacrifice bunt attempts this season — tied for best in MLB.

Mariners hitters are slugging just .478 on the first pitch of at-bats this season — lowest in MLB.

The Mariners are batting just .219 against LHP this season — 2nd lowest in MLB.

Mariners hitters have 68 extra-base hits out of 248 total hits (just 27%) against LHP this season — lowest in MLB.

Rays pitchers have walked 7% of batters this season — 2nd best in MLB.

Rays pitchers have walked 6% of batters when facing the leadoff batter in the inning this season — 2nd best in MLB.

Rays pitchers have a first-pitch strike rate of 65% this season — 2nd highest in MLB.

Opponents have a groundball rate of just 40% against Rays pitchers this season — 4th lowest in MLB.

Mariners pitchers have walked 7% of batters this season — best in MLB.

Mariners pitchers have walked 6% of batters when facing the leadoff batter in the inning this season — best in MLB.

Mariners pitchers have a first-pitch strike rate of 66% this season — highest in MLB.

Opponents have a swing rate of 51% against the Mariners pitchers this season — highest in MLB.

More MLB Reading:


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Our BetMGM betting authors are experts who focus on individual game matchups & player prop bets with an emphasis on betting odds, lines & predictions.

Our BetMGM betting authors are experts who focus on individual game matchups & player prop bets with an emphasis on betting odds, lines & predictions.