Mariners vs Marlins Prediction, Odds & Player Prop Bets Today – MLB, Jul 8

Miami Marlins starting pitcher Sandy Alcantara aims a pitch during a baseball game against the New York Yankees, Saturday, Aug. 12, 2023, in Miami. (AP Photo/Marta Lavandier)
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  • The Mariners are -125 favorites vs the Marlins
  • Mariners vs Marlins Over / Under today: 8.5 Runs
  • Mariners / Marlins TV Channel: MRTV | MATV

The Seattle Mariners (-125) visit loanDepot park to take on the Miami Marlins (+105) on July 8, 2026. First pitch is scheduled for 6:40 pm in Miami, FL.

This season, the Mariners are 47-45 against the spread (ATS), while the Marlins are 50-41 ATS.

Mariners vs Marlins Starting Pitchers Today:

  • Mariners starting pitcher: George Kirby 7-7, 3.81 ERA
  • Marlins starting pitcher: Tyler Phillips 1-3, 3.54 ERA

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

SpreadOver / UnderMoneyline
Mariners-1.5 +125O 8.5 -110-125
Marlins +1.5 -155U 8.5 -110+105

Mariners vs Marlins Prediction for Today’s Game

Based on recent trends the model predicts the Mariners will win Wednesday‘s MLB game with 57.0% 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 Wednesday‘s game, looking at profitable historical betting trends:

Best Mariners Player Prop Bets Today:

  • Colt Emerson has hit the Home Runs Over in 3 of his last 10 away games (+14.40 Units / 144% ROI)
  • George Kirby has hit the Hits Allowed Over in 16 of his last 20 games (+12.25 Units / 51% ROI)
  • Colt Emerson has hit the Hits Runs and RBIs Under in 12 of his last 15 games (+9.80 Units / 54% ROI)
  • Cal Raleigh has hit the Total Bases Under in 17 of his last 25 games (+8.60 Units / 27% ROI)
  • Cole Young has hit the Hits Over in 15 of his last 20 away games (+8.45 Units / 24% ROI)

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

Best Marlins Player Prop Best Bets Today:

  • Joe Mack has hit the Home Runs Over in 3 of his last 8 games (+11.69 Units / 146% ROI)
  • Javier Sanoja has hit the Total Bases Over in his last 9 games (+9.85 Units / 91% ROI)
  • Joe Mack has hit the Hits Runs and RBIs Over in 13 of his last 20 games (+6.85 Units / 30% ROI)
  • Javier Sanoja has hit the Hits Over in 7 of his last 9 games (+6.75 Units / 51% ROI)
  • Joe Mack has hit the Runs Over in 6 of his last 9 games (+5.65 Units / 62% ROI)
  • The Seattle Mariners have hit the Team Total Under in 32 of their last 50 away games (+10.55 Units / 18% ROI)
  • The Seattle Mariners have hit the Game Total Over in 13 of their last 21 away games (+5.75 Units / 25% ROI)
  • The Seattle Mariners have covered the Run Line in 18 of their last 35 away games (+5.20 Units / 14% ROI)
  • The Seattle Mariners have hit the 1st Five Innings (F5) Team Total Under in 13 of their last 20 games (+5.15 Units / 21% ROI)
  • The Seattle Mariners have hit the Moneyline in 5 of their last 7 games (+3.00 Units / 28% ROI)
  • The Miami Marlins have covered the Run Line in 22 of their last 30 games (+17.15 Units / 43% ROI)
  • The Miami Marlins have hit the Moneyline in 27 of their last 40 games (+14.40 Units / 32% ROI)
  • The Miami Marlins have hit the 1st Five Innings (F5) Team Total Over in 14 of their last 18 games (+9.40 Units / 43% ROI)
  • The Miami Marlins have hit the Team Total Over in 25 of their last 40 games (+9.15 Units / 19% ROI)
  • The Miami Marlins have hit the 1st Five Innings (F5) Moneyline in 12 of their last 16 games at home (+8.95 Units / 44% ROI)

Mariners Against the Spread (ATS) Record

Against the spread this season, the Mariners are 38-54 against the Run Line (-6.8 Units / -6.87% ROI).

  • 47-45 when betting on the Moneyline for -11.3 Units / -8.98% ROI
  • 44-45 when betting on the total runs Over for -5.2 Units / -5.13% ROI
  • 45-44 when betting on the total runs Under for -3.15 Units / -3.11% ROI

Marlins Against the Spread (ATS) Record

Against the spread this season, the Marlins are 50-41 against the Run Line (+5.65 Units / 4.64% ROI).

  • 50-42 when betting on the Moneyline for +9.3 Units / 8.58% ROI
  • 50-39 when betting on the total runs Over for +6.75 Units / 6.62% ROI
  • 39-50 when betting on the total runs Under for -15.6 Units / -15.53% ROI

Marlins vs Mariners Home Run Prop Bets Today

Yes
Cal Raleigh +340
Kyle Stowers +425
Dominic Canzone +475
Luke Raley +475
Randy Arozarena +525

Marlins vs Mariners Total Hits Prop Bets Today

Over Under
Randy Arozarena 0.5 -250 0.5 +180
Xavier Edwards 0.5 -250 0.5 +185
Josh Naylor 0.5 -225 0.5 +165
Liam Hicks 0.5 -225 0.5 +165
J.P. Crawford 0.5 -220 0.5 +160

Marlins vs Mariners Strikeout Prop Bets Today

Over Under
Colt Emerson 0.5 -250 0.5 +180
Joe Mack 0.5 -190 0.5 +140
Randy Arozarena 0.5 -190 0.5 +140
Tyler Phillips 3.5 -190 3.5 +140
Jakob Marsee 0.5 -185 0.5 +135

Mariners Keys to the Game vs. the Marlins

The Mariners are 9-5 (.643) when tied entering the 7th inning this season — 5th best in MLB; League Avg: .500.

The Mariners are just 1-35 (.028) when trailing entering the 8th inning this season — tied for 4th lowest in MLB; League Avg: .098.

The Mariners are just 1-39 (.025) when trailing entering the 9th inning this season — tied for 4th lowest in MLB; League Avg: .054.

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

Marlins Keys to the Game vs. the Mariners

The Marlins are 8-3 (.727) when tied entering the 8th inning this season — 2nd best in MLB; League Avg: .500.

The Marlins are 41-9 (.820) when allowing 4 or fewer runs this season — 3rd best in MLB; League Avg: .726.

The Marlins are 20-4 (.833) when they’ve hit 2 or more home runs this season — tied for 3rd best in MLB; League Avg: .704.

The Marlins are 27-4 (.871) when they’ve had 10 or more hits this season — tied for 4th best in MLB; League Avg: .750.

Mariners hitters are slugging just .330 against LHP this season — lowest in MLB.

Mariners hitters have an OPS of just .625 (970 PA’s) against LHP this season — lowest in MLB.

The Mariners are batting just .210 against LHP this season — lowest in MLB.

Mariners hitters have 48 extra-base hits out of 178 total hits (just 27%) against LHP this season — lowest in MLB.

Marlins hitters have an OBP of .266 (1,764 PA’s) with two-strikes this season — best in MLB.

Marlins hitters have an OPS of .551 (1,764 PA’s) with two-strikes this season — 2nd best in MLB.

The Marlins are batting .257 on the road this season — 3rd best in MLB.

The Marlins have a winning percentage of 63% at home this season — 4th 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 7% of batters this season — best in MLB.

The Mariners pitchers have allowed their opponents to score first in just 40% of their games this season — lowest in MLB.

Marlins pitchers have an ERA of 3.36 (417.2 IP) at home this season — 4th best in MLB.

Opponents are hitting just .230 against Marlins pitchers this season — 4th best in MLB.

The Marlins have won just 10% of road games in which their opponents scored first this season — 3rd lowest in MLB.

Marlins pitchers have allowed 90 home runs this season — tied for 3rd fewest 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.