Mariners vs Rays Prediction, Odds & Player Prop Bets Today – MLB, Jul 10

Tampa Bay Rays' Yandy Diaz reacts after his solo home run off Toronto Blue Jays starting pitcher Hyun Jin Ryu during the first inning of a baseball game Saturday, Sept. 23, 2023, in St. Petersburg, Fla.
(AP Photo/Chris O'Meara)
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  • The Mariners are -102 favorites vs the Rays
  • Mariners vs Rays Over / Under today: 8 Runs
  • Mariners / Rays TV Channel: MRTV | RATV

The Seattle Mariners (-102) visit Tropicana Field to take on the Tampa Bay Rays (-118) on July 10, 2026. First pitch is scheduled for 7:10 pm in St. Petersburg, FL.

This season, the Mariners are 47-46 against the spread (ATS), while the Rays are 53-37 ATS.

Mariners vs Rays Starting Pitchers Today:

  • Mariners starting pitcher: Luis Castillo 3-7, 4.81 ERA
  • Rays starting pitcher: Nick Martinez 7-2, 2.62 ERA

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

SpreadOver / UnderMoneyline
Mariners-1.5 +165O 8 +100-102
Rays +1.5 -200U 8 -120-118

Mariners vs Rays Prediction for Today’s Game

Based on recent trends the model predicts the Rays will win Friday‘s MLB game with 53.0% 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 Mariners players for Friday‘s game, looking at profitable historical betting trends:

Best Mariners Player Prop Bets Today:

  • Luis Castillo has hit the Walks Allowed Under in 10 of his last 15 away games (+5.75 Units / 31% ROI)
  • Luis Castillo has hit the Earned Runs Under in his last 4 away games (+4.00 Units / 76% ROI)
  • Luis Castillo has hit the Pitching Outs Over in 4 of his last 5 away games (+3.30 Units / 61% ROI)
  • Luis Castillo has hit the Hits Allowed Under in 4 of his last 5 away games (+2.80 Units / 46% ROI)
  • Luis Castillo has hit the Strikeouts Over in 4 of his last 6 away games (+1.60 Units / 21% ROI)

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

Best Rays Player Prop Best Bets Today:

  • Hunter Feduccia has hit the Singles Under in 20 of his last 25 games (+10.85 Units / 21% ROI)
  • Jonny Deluca has hit the Home Runs Over in 2 of his last 10 games (+9.00 Units / 90% ROI)
  • Nick Martinez has hit the Walks Allowed Under in 12 of his last 15 games (+8.60 Units / 38% ROI)
  • Nick Martinez has hit the Earned Runs Under in 12 of his last 15 games (+7.95 Units / 41% ROI)
  • Jonny Deluca has hit the Runs Under in his last 6 games at home (+6.00 Units / 50% ROI)
  • team high – away
  • team high – home

Mariners Against the Spread (ATS) Record

Against the spread this season, the Mariners are 38-55 against the Run Line (-7.8 Units / -7.8% ROI).

  • 47-46 when betting on the Moneyline for -12.6 Units / -9.91% ROI
  • 44-46 when betting on the total runs Over for -6.4 Units / -6.24% ROI
  • 46-44 when betting on the total runs Under for -2.15 Units / -2.1% ROI

Rays Against the Spread (ATS) Record

Against the spread this season, the Rays are 53-37 against the Run Line (+23.4 Units / 21.43% ROI).

  • 54-36 when betting on the Moneyline for +12.6 Units / 11.28% ROI
  • 39-47 when betting on the total runs Over for -12.45 Units / -12.64% ROI
  • 47-39 when betting on the total runs Under for +3.85 Units / 3.87% ROI

Rays vs Mariners Home Run Prop Bets Today

Yes
Junior Caminero +260
Cal Raleigh +270
Luke Raley +350
Dominic Canzone +360
Jonathan Aranda +390

Rays vs Mariners Total Hits Prop Bets Today

Over Under
Chandler Simpson 0.5 -250 0.5 +180
Junior Caminero 0.5 -235 0.5 +175
Randy Arozarena 0.5 -235 0.5 +170
Josh Naylor 0.5 -225 0.5 +165
Dominic Canzone 0.5 -220 0.5 +160

Rays vs Mariners Strikeout Prop Bets Today

Over Under
Colt Emerson 0.5 -235 0.5 +175
Jonathan Aranda 0.5 -200 0.5 +145
Taylor Walls 0.5 -200 0.5 +150
Victor Mesa Jr. 0.5 -190 0.5 +140
Dominic Canzone 0.5 -175 0.5 +130

Mariners Keys to the Game vs. the Rays

The Mariners are just 7-17 (.292) vs the top 10 runs allowed teams this season Today, they face Rays (ninth in runs allowed).

The Mariners are just 1-41 (.024) when trailing entering the 9th inning this season — tied for 4th lowest in MLB; League Avg: .053.

The Mariners are just 1-37 (.026) when trailing entering the 8th inning this season — 4th lowest in MLB; League Avg: .097.

The Mariners are 27-15 (.643) when tied entering the 7th inning since the 2025 season — best in MLB; League Avg: .500.

Rays Keys to the Game vs. the Mariners

The Rays are 33-14 (.702) at home this season — best in MLB; League Avg: .523.

The Rays are 28-9 (.757) vs bottom 10 scoring offenses this season Today, they face the Mariners (27th in runs scored).

The Rays are 12-1 (.923) when they’ve had 5 or more XBH this season — 4th best in MLB; League Avg: .786.

The Rays are 42-3 (.933) when leading entering the 7th inning this season — 4th best in MLB; League Avg: .864.

The Mariners are batting just .208 against LHP this season — lowest in MLB.

Mariners hitters have an OPS of just .621 (976 PA’s) against LHP this season — lowest in MLB.

Mariners hitters are slugging just .328 against LHP this season — lowest in MLB.

Mariners hitters have an OPS of just .657 (1,103 PA’s) in innings 7-9 this season — 3rd lowest in MLB.

Rays hitters have 229 extra-base hits out of 781 total hits (just 29%) this season — lowest in MLB.

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

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

The Rays have a winning percentage of 70% at home this season — best in MLB.

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

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

The Mariners pitchers have allowed division opponents to score first in just 27% of their games this season — lowest in MLB.

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

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

Opponents have a groundball rate of just 40% against Rays pitchers this season — 5th lowest in MLB.

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

Rays pitchers have a first-pitch strike rate of 64% this season — 2nd 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.