Blue Jays vs Mariners Prediction, Odds & Player Prop Bets Today – MLB, Oct 17

Seattle Mariners' J.P. Crawford follows through during an at-bat a baseball game against the Texas Rangers, Saturday, Sept. 30, 2023, in Seattle. (AP Photo/Lindsey Wasson)
(AP Photo/Lindsey Wasson)
  • The Blue Jays are -115 favorites vs the Mariners
  • Blue Jays vs Mariners Over / Under today: 7 Runs
  • Blue Jays / Mariners TV Channel: FS1

The Toronto Blue Jays (-115) visit T-Mobile Park to take on the Seattle Mariners (-105) on Friday, October 17, 2025. First pitch is scheduled for 6:08pm EDT in Seattle, WA.

This season, the Blue Jays are 99-71 against the spread (ATS), while the Mariners are 74-94 ATS.

Blue Jays vs Mariners Starting Pitchers Today:

  • Blue Jays starting pitcher: Kevin Gausman 11-12, 3.54 ERA
  • Mariners starting pitcher: Bryce Miller 5-6, 5.42 ERA

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

SpreadOver / UnderMoneyline
Blue Jays-1.5 155O 7 100-115
Mariners +1.5 -190U 7 -120-105

Blue Jays vs Mariners Prediction for Today’s Game

Based on recent trends the model predicts the Mariners will win Friday‘s MLB game with 52.0% confidence, factoring in game simulations, recent player performances, starting pitchers and injuries.


Bet now on Blue Jays vs Mariners and all games with BetMGM


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

Best Blue Jays Player Prop Bets Today:

  • Andres Gimenez has hit the Home Runs Over in 2 of his last 4 games (+24.00 Units / 600% ROI)
  • Vladimir Guerrero Jr has hit the RBIs Over in 7 of his last 9 games (+9.55 Units / 106% ROI)
  • Ernie Clement has hit the Hits Runs and RBIs Over in 9 of his last 10 games (+9.05 Units / 88% ROI)
  • Alejandro Kirk has hit the Singles Under in 12 of his last 15 games (+8.75 Units / 51% ROI)
  • George Springer has hit the Hits Over in 16 of his last 25 games (+8.45 Units / 21% 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:

  • Eugenio Suarez has hit the Hits Under in 17 of his last 25 games at home (+13.10 Units / 51% ROI)
  • Cal Raleigh has hit the RBIs Under in 17 of his last 20 games at home (+11.95 Units / 34% ROI)
  • Jorge Polanco has hit the Home Runs Over in 3 of his last 10 games (+11.50 Units / 115% ROI)
  • Eugenio Suarez has hit the Total Bases Under in 18 of his last 25 games at home (+10.20 Units / 30% ROI)
  • Eugenio Suarez has hit the Singles Under in 20 of his last 25 games at home (+9.75 Units / 18% ROI)
  • The Toronto Blue Jays have hit the Moneyline in 83 of their last 134 games (+24.04 Units / 14% ROI)
  • The Toronto Blue Jays have covered the Run Line in 96 of their last 169 games (+23.15 Units / 10% ROI)
  • The Toronto Blue Jays have hit the Game Total Over in 80 of their last 138 games (+23.00 Units / 15% ROI)
  • The Toronto Blue Jays have hit the Team Total Over in 69 of their last 115 games (+17.35 Units / 13% ROI)
  • The Toronto Blue Jays have hit the 1st Five Innings (F5) Team Total Over in 10 of their last 11 games (+8.85 Units / 66% ROI)
  • The Seattle Mariners have hit the Game Total Over in 90 of their last 159 games (+18.75 Units / 11% ROI)
  • The Seattle Mariners have hit the Moneyline in 37 of their last 53 games at home (+15.75 Units / 18% ROI)
  • The Seattle Mariners have covered the Run Line in 19 of their last 30 games (+9.25 Units / 26% ROI)
  • The Seattle Mariners have covered the 1st Five Innings (F5) Run Line in 26 of their last 41 games (+9.15 Units / 19% ROI)
  • The Seattle Mariners have hit the 1st Five Innings (F5) Moneyline in 24 of their last 41 games (+7.70 Units / 12% ROI)

Blue Jays Against the Spread (ATS) Record

Against the spread this season, the Blue Jays are 96-72 against the Run Line (+22.15 Units / 9.92% ROI).

  • 99-71 when betting on the Moneyline for +19.84 Units / 9.15% ROI
  • 92-72 when betting on the total runs Over for +13.45 Units / 7.2% ROI
  • 72-92 when betting on the total runs Under for -28.55 Units / -15.25% ROI

Mariners Against the Spread (ATS) Record

Against the spread this season, the Mariners are 74-94 against the Run Line (-19.1 Units / -9.39% ROI).

  • 95-76 when betting on the Moneyline for +2.05 Units / 0.86% ROI
  • 93-72 when betting on the total runs Over for +14.05 Units / 7.48% ROI
  • 72-93 when betting on the total runs Under for -30.32 Units / -16.09% ROI

Mariners vs Blue Jays Home Run Prop Bets Today

Over Under
Cal Raleigh (SEA) 0.5 +275 0.5 -350
George Springer (TOR) 0.5 +360 0.5 -500
Vladimir Guerrero Jr. (TOR) 0.5 +400 0.5 -525
Eugenio Suarez (SEA) 0.5 +425 0.5 -550
Daulton Varsho (TOR) 0.5 +450 0.5 -625

Mariners vs Blue Jays Total Hits Prop Bets Today

Over Under
George Springer (TOR) 0.5 -225 0.5 +175
Ernie Clement (TOR) 0.5 -220 0.5 +160
Alejandro Kirk (TOR) 0.5 -210 0.5 +155
Julio Rodriguez (SEA) 0.5 -210 0.5 +155
Nathan Lukes (TOR) 0.5 -200 0.5 +145

Mariners vs Blue Jays RBI Prop Bets Today

Over Under
Vladimir Guerrero Jr. (TOR) 0.5 +150 0.5 -200
Cal Raleigh (SEA) 0.5 +150 0.5 -200
George Springer (TOR) 0.5 +170 0.5 -225
Julio Rodriguez (SEA) 0.5 +170 0.5 -225
Jorge Polanco (SEA) 0.5 +175 0.5 -235

Mariners vs Blue Jays Strikeout Prop Bets Today

Over Under
Bryce Miller (SEA) 2.5 -145 2.5 +110
Kevin Gausman (TOR) 5.5 -135 5.5 +105

Blue Jays hitters struck out in just 18% of their PA’s this season — best in MLB; League Avg: 22%.

The Blue Jays batted .185 on pitches out of the zone this season — best in MLB; League Avg: .147.

Blue Jays hitters struck out in just 19% of their PA’s against LHP this season — 2nd best in MLB; League Avg: 23%.

The Blue Jays batted .193 with two-strikes this season — best in MLB; League Avg: .169.

Mariners Starting Pitcher Stats & Trends

Mariners hitters slugged .712 on the first pitch of at-bats this season — best in MLB; League Avg: .577.

The Mariners are batting just .226 when facing the starting pitcher for the 3rd time in a game since last season — lowest in MLB; League Avg: .260.

The Mariners batted just .207 when facing the starting pitcher for the 3rd time in a game in the 2024 season — lowest in MLB; League Avg: .263.

Games involving the Mariners have gone OVER in 67% of their games (27.6% ROI) vs top 10 scoring offenses in the 2025 season Today, they face the Blue Jays (fourth in runs scored).

Blue Jays Keys to the Game vs. the Mariners

Blue Jays hitters struck out in just 18% of their PA’s this season — best in MLB; League Avg: 22%.

The Blue Jays batted .185 on pitches out of the zone this season — best in MLB; League Avg: .147.

Blue Jays hitters struck out in just 19% of their PA’s against LHP this season — 2nd best in MLB; League Avg: 23%.

The Blue Jays batted .193 with two-strikes this season — best in MLB; League Avg: .169.

Mariners Keys to the Game vs. the Blue Jays

Mariners hitters slugged .712 on the first pitch of at-bats this season — best in MLB; League Avg: .577.

The Mariners are batting just .226 when facing the starting pitcher for the 3rd time in a game since last season — lowest in MLB; League Avg: .260.

The Mariners batted just .207 when facing the starting pitcher for the 3rd time in a game in the 2024 season — lowest in MLB; League Avg: .263.

Games involving the Mariners have gone OVER in 67% of their games (27.6% ROI) vs top 10 scoring offenses in the 2025 season Today, they face the Blue Jays (fourth in runs scored).

Blue Jays hitters struck out in just 18% of their PA’s this season — best in MLB; League Avg: 22%.

The Blue Jays batted .185 on pitches out of the zone this season — best in MLB; League Avg: .147.

Blue Jays hitters struck out in just 19% of their PA’s against LHP this season — 2nd best in MLB; League Avg: 23%.

The Blue Jays batted .193 with two-strikes this season — best in MLB; League Avg: .169.

Mariners hitters slugged .712 on the first pitch of at-bats this season — best in MLB; League Avg: .577.

The Mariners are batting just .226 when facing the starting pitcher for the 3rd time in a game since last season — lowest in MLB; League Avg: .260.

The Mariners batted just .207 when facing the starting pitcher for the 3rd time in a game in the 2024 season — lowest in MLB; League Avg: .263.

Games involving the Mariners have gone OVER in 67% of their games (27.6% ROI) vs top 10 scoring offenses in the 2025 season Today, they face the Blue Jays (fourth in runs scored).

Blue Jays hitters struck out in just 18% of their PA’s this season — best in MLB; League Avg: 22%.

The Blue Jays batted .185 on pitches out of the zone this season — best in MLB; League Avg: .147.

Blue Jays hitters struck out in just 19% of their PA’s against LHP this season — 2nd best in MLB; League Avg: 23%.

The Blue Jays batted .193 with two-strikes this season — best in MLB; League Avg: .169.

Mariners hitters slugged .712 on the first pitch of at-bats this season — best in MLB; League Avg: .577.

The Mariners are batting just .226 when facing the starting pitcher for the 3rd time in a game since last season — lowest in MLB; League Avg: .260.

The Mariners batted just .207 when facing the starting pitcher for the 3rd time in a game in the 2024 season — lowest in MLB; League Avg: .263.

Games involving the Mariners have gone OVER in 67% of their games (27.6% ROI) vs top 10 scoring offenses in the 2025 season Today, they face the Blue Jays (fourth in runs scored).

More MLB Reading:


Bet now on Blue Jays vs Mariners 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.

The content provided in this blog is intended for entertainment purposes only. All views and opinions expressed are the authors and reflect their individual perspectives on sports, betting, and related topics. This content should not be considered professional betting advice or the official views of BetMGM LLC. Please gamble responsibly. If you or someone you know is experiencing issues related to gambling, seek help from a licensed health professional. This blog is not liable for any losses, damages, or consequences resulting from betting activities.

The content provided in this blog is intended for entertainment purposes only. All views and opinions expressed are the authors and reflect their individual perspectives on sports, betting, and related topics. This content should not be considered professional betting advice or the official views of BetMGM LLC. Please gamble responsibly. If you or someone you know is experiencing issues related to gambling, seek help from a licensed health professional. This blog is not liable for any losses, damages, or consequences resulting from betting activities.

About the Author Read More @BETMGM

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.