Blue Jays vs Mariners Prediction, Odds & Player Prop Bets Today – MLB, Jul 4

Seattle Mariners' Cal Raleigh walks to first base during the third inning of a baseball game against the Chicago Cubs in Chicago, Sunday, June 22, 2025.
(AP Photo/Nam Y. Huh)
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  • The Mariners are -160 favorites vs the Blue Jays
  • Blue Jays vs Mariners Over / Under today: 7.5 Runs
  • Blue Jays / Mariners TV Channel: MRTV | RSN | TVA

The Toronto Blue Jays (+135) visit T-Mobile Park to take on the Seattle Mariners (-160) on July 4, 2026. First pitch is scheduled for 4:10 pm in Seattle, WA.

This season, the Blue Jays are 42-46 against the spread (ATS), while the Mariners are 35-54 ATS.

Blue Jays vs Mariners Starting Pitchers Today:

  • Blue Jays starting pitcher: Shane Bieber 0-0, 6.00 ERA
  • Mariners starting pitcher: Logan Gilbert 6-5, 3.41 ERA

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

SpreadOver / UnderMoneyline
Blue Jays+1.5 -165O 7.5 -105+135
Mariners -1.5 +135U 7.5 -115-160

Blue Jays vs Mariners Prediction for Today’s Game

Based on recent trends the model predicts the Mariners will win Saturday‘s MLB game with 57.2% 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 Blue Jays players for Saturday‘s game, looking at profitable historical betting trends:

Best Blue Jays Player Prop Bets Today:

  • Nathan Lukes has hit the Home Runs Over in 2 of his last 7 away games (+14.50 Units / 207% ROI)
  • Nathan Lukes has hit the Hits Over in 12 of his last 15 away games (+9.30 Units / 35% ROI)
  • Nathan Lukes has hit the Total Bases Over in 16 of his last 25 away games (+9.30 Units / 29% ROI)
  • Alejandro Kirk has hit the Singles Under in 12 of his last 15 away games (+8.40 Units / 49% ROI)
  • Kazuma Okamoto has hit the Runs Over in 14 of his last 25 away games (+7.55 Units / 30% ROI)

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

Best Mariners Player Prop Best Bets Today:

  • Cal Raleigh has hit the Total Bases Under in 20 of his last 25 games (+14.65 Units / 43% ROI)
  • Cal Raleigh has hit the Hits Runs and RBIs Under in 20 of his last 25 games (+14.30 Units / 46% ROI)
  • Cal Raleigh has hit the RBIs Under in 21 of his last 25 games (+13.20 Units / 25% ROI)
  • Cal Raleigh has hit the Hits Under in 16 of his last 25 games (+10.85 Units / 43% ROI)
  • Cal Raleigh has hit the Runs Under in 19 of his last 25 games (+10.20 Units / 29% ROI)
  • The Toronto Blue Jays have covered the Run Line in 14 of their last 19 away games (+8.95 Units / 32% ROI)
  • The Toronto Blue Jays have hit the Team Total Under in 25 of their last 40 away games (+8.60 Units / 19% ROI)
  • The Toronto Blue Jays have hit the 1st Five Innings (F5) Team Total Under in 24 of their last 40 away games (+7.30 Units / 15% ROI)
  • The Toronto Blue Jays have hit the Moneyline in 10 of their last 15 away games (+7.00 Units / 44% ROI)
  • The Toronto Blue Jays have hit the 1st Five Innings (F5) Moneyline in 11 of their last 22 away games (+4.55 Units / 19% ROI)
  • The Seattle Mariners have hit the Team Total Under in 22 of their last 30 games (+13.25 Units / 38% ROI)
  • The Seattle Mariners have hit the 1st Five Innings (F5) Team Total Under in 20 of their last 30 games at home (+9.75 Units / 27% ROI)
  • The Seattle Mariners have hit the Moneyline in 12 of their last 17 games at home (+5.85 Units / 24% ROI)
  • The Seattle Mariners have hit the Game Total Under in 8 of their last 12 games (+3.65 Units / 28% ROI)
  • The Seattle Mariners have hit the 1st Five Innings (F5) Moneyline in 9 of their last 19 games at home (+2.50 Units / 9% ROI)

Blue Jays Against the Spread (ATS) Record

Against the spread this season, the Blue Jays are 43-44 against the Run Line (-3.7 Units / -3.24% ROI).

  • 42-46 when betting on the Moneyline for -13.4 Units / -11.96% ROI
  • 43-42 when betting on the total runs Over for -3 Units / -3.1% ROI
  • 42-43 when betting on the total runs Under for -4.9 Units / -5.07% ROI

Mariners Against the Spread (ATS) Record

Against the spread this season, the Mariners are 35-54 against the Run Line (-10.15 Units / -10.75% ROI).

  • 45-44 when betting on the Moneyline for -12.3 Units / -10.07% ROI
  • 42-44 when betting on the total runs Over for -6.2 Units / -6.32% ROI
  • 44-42 when betting on the total runs Under for -1.95 Units / -1.99% ROI

Mariners vs Blue Jays Home Run Prop Bets Today

Yes
Cal Raleigh +280
Kazuma Okamoto +325
Luke Raley +390
Dominic Canzone +390
Daulton Varsho +400

Mariners vs Blue Jays Total Hits Prop Bets Today

Over Under
Vladimir Guerrero Jr. 0.5 -275 0.5 +195
Nathan Lukes 0.5 -235 0.5 +175
Randy Arozarena 0.5 -225 0.5 +165
Josh Naylor 0.5 -225 0.5 +165
J.P. Crawford 0.5 -220 0.5 +160

Mariners vs Blue Jays Strikeout Prop Bets Today

Over Under
Yohendrick Pinango 0.5 -275 0.5 +195
Colt Emerson 0.5 -250 0.5 +185
Randy Arozarena 0.5 -220 0.5 +165
Dominic Canzone 0.5 -210 0.5 +155
Andres Gimenez 0.5 -190 0.5 +140

Blue Jays Keys to the Game vs. the Mariners

The Blue Jays are just 8-23 (.258) when their opponents score in the first inning this season — 3rd lowest in MLB; League Avg: .368.

The Blue Jays are just 5-31 (.139) when allowing 5 or more runs this season — 4th lowest in MLB; League Avg: .207.

The Blue Jays are 6-35 (.146) when trailing entering the 8th inning this season — 5th best in MLB; League Avg: .100.

The Blue Jays are 18-88 (.170) when trailing entering the 8th inning since the 2025 season — best in MLB; League Avg: .094.

Mariners Keys to the Game vs. the Blue Jays

The Mariners are just 8-22 (.267) vs bottom 10 scoring offenses this season Today, they face the Blue Jays (24th in runs scored).

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 1-39 (.025) when trailing entering the 9th inning this season — 5th lowest in MLB; League Avg: .055.

The Mariners are just 1-34 (.029) when trailing entering the 8th inning this season — tied for 4th lowest in MLB; League Avg: .100.

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

Blue Jays hitters have struck out in just 20% of their PA’s against RHP this season — 2nd best in MLB.

Blue Jays hitters have struck out in just 20% of their PA’s this season — 3rd best in MLB.

Blue Jays hitters have chased 42% of pitches out of the zone in lefty-lefty matchups this season — highest in MLB.

The Mariners are batting just .207 against LHP this season — lowest in MLB.

Mariners hitters are slugging just .329 against LHP this season — lowest in MLB.

Mariners hitters have an OBP of just .293 (947 PA’s) against LHP this season — lowest in MLB.

Mariners hitters have an OPS of just .622 (947 PA’s) against LHP this season — lowest in MLB.

Blue Jays pitchers have allowed an average Exit Velocity of 87.9 MPH (2,134 batted balls) this season — 2nd best in MLB.

The Blue Jays pitchers have allowed an average Exit Velocity of just 87.9 MPH this season (2,134 balls in play) — 2nd best in MLB

Opponents have a groundball batting average of just .224 against Blue Jays pitchers with runners on base this season — tied for 3rd best in MLB.

The Blue Jays pitchers have allowed their opponents to score first in 63% of their games at home this season — 5th highest in MLB.

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

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

Mariners pitchers have thrown at least two strikes in their first three pitches to 69% of opposing batters 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.

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.