Mariners vs Blue Jays Prediction, Odds & Player Prop Bets Today – MLB, Aug 28

Toronto Blue Jays Vladimir Guerrero Jr. gestures after hitting a home run during the first inning of a baseball game against the Boston Red Sox, Sunday, June 29, 2025, in Boston.
(AP Photo/Mark Stockwell)
Parlay Boost Today
  • The Blue Jays are -190 favorites vs the Mariners
  • Mariners vs Blue Jays Over / Under today: 7.5 Runs
  • Mariners / Blue Jays TV Channel: ATV

The Seattle Mariners (+155) visit Rogers Centre to take on the Toronto Blue Jays (-190) on August 28, 2026. First pitch is scheduled for 7:15 pm in Toronto, ON.

This season, the Mariners are 64-70 against the spread (ATS), while the Blue Jays are 67-67 ATS.

Mariners vs Blue Jays Starting Pitchers Today:

  • Mariners starting pitcher: Emerson Hancock 7-7, 3.38 ERA
  • Blue Jays starting pitcher: Dylan Cease 8-5, 2.38 ERA

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

SpreadOver / UnderMoneyline
Mariners+1.5 -140O 7.5 -125+155
Blue Jays -1.5 +115U 7.5 +105-190

Mariners vs Blue Jays Prediction for Today’s Game

Based on recent trends the model predicts the Mariners will win Friday‘s MLB game with 51.6% 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:

  • J.P. Crawford has hit the Walks Under in 22 of his last 25 away games (+17.20 Units / 42% ROI)
  • Cal Raleigh has hit the Hits Runs and RBIs Under in 21 of his last 25 away games (+15.90 Units / 47% ROI)
  • Josh Naylor has hit the Hits Over in 21 of his last 25 away games (+13.05 Units / 26% ROI)
  • Cal Raleigh has hit the Runs Under in 17 of his last 20 away games (+11.75 Units / 35% ROI)
  • Cal Raleigh has hit the RBIs Under in 21 of his last 25 away games (+11.45 Units / 20% ROI)

And here are 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 Best Bets Today:

  • Nathan Lukes has hit the Home Runs Over in 2 of his last 5 games (+19.00 Units / 380% ROI)
  • Vladimir Guerrero Jr. has hit the RBIs Under in 23 of his last 25 games at home (+18.35 Units / 31% ROI)
  • Alejandro Kirk has hit the Hits Over in 22 of his last 25 games (+15.20 Units / 29% ROI)
  • Alejandro Kirk has hit the Singles Over in 20 of his last 25 games (+13.90 Units / 46% ROI)
  • Dylan Cease has hit the Hits Allowed Under in 13 of his last 15 games (+10.30 Units / 55% ROI)
  • The Seattle Mariners have hit the Game Total Over in 28 of their last 45 away games (+11.95 Units / 24% ROI)
  • The Seattle Mariners have hit the Team Total Under in 30 of their last 50 away games (+7.65 Units / 13% ROI)
  • The Seattle Mariners have hit the 1st Five Innings (F5) Team Total Over in 9 of their last 12 games (+5.60 Units / 37% ROI)
  • The Seattle Mariners have hit the Moneyline in 8 of their last 13 games (+3.60 Units / 27% ROI)
  • The Seattle Mariners have covered the 1st Five Innings (F5) Run Line in 6 of their last 9 away games (+2.35 Units / 21% ROI)
  • The Toronto Blue Jays have hit the 1st Five Innings (F5) Team Total Under in 35 of their last 50 games at home (+18.60 Units / 31% ROI)
  • The Toronto Blue Jays have hit the Team Total Under in 20 of their last 25 games at home (+13.95 Units / 45% ROI)
  • The Toronto Blue Jays have hit the Moneyline in 17 of their last 30 games (+7.65 Units / 23% ROI)
  • The Toronto Blue Jays have hit the Game Total Under in 15 of their last 24 games at home (+6.35 Units / 24% ROI)
  • The Toronto Blue Jays have covered the Run Line in 9 of their last 14 games at home (+4.20 Units / 25% ROI)

Mariners Against the Spread (ATS) Record

Against the spread this season, the Mariners are 51-82 against the Run Line (-28.3 Units / -18.19% ROI).

  • 64-70 when betting on the Moneyline for -22.1 Units / -12.52% ROI
  • 68-59 when betting on the total runs Over for +3.3 Units / 2.23% ROI
  • 59-68 when betting on the total runs Under for -15.4 Units / -10.47% ROI

Blue Jays Against the Spread (ATS) Record

Against the spread this season, the Blue Jays are 67-67 against the Run Line (-7.45 Units / -4.23% ROI).

  • 65-70 when betting on the Moneyline for -12.55 Units / -7.58% ROI
  • 67-64 when betting on the total runs Over for -3.2 Units / -2.15% ROI
  • 64-67 when betting on the total runs Under for -9.25 Units / -6.24% ROI

Blue Jays vs Mariners Home Run Prop Bets Today

Yes
Cal Raleigh +340
Kazuma Okamoto +350
George Springer +425
Dominic Canzone +450
Alejandro Kirk +450

Blue Jays vs Mariners Total Hits Prop Bets Today

Over Under
Alejandro Kirk 0.5 -235 0.5 +175
George Springer 0.5 -225 0.5 +165
Ernie Clement 0.5 -220 0.5 +160
Brett Bateman 0.5 -220 0.5 +160
Nathan Lukes 0.5 -200 0.5 +145

Blue Jays vs Mariners Strikeout Prop Bets Today

Over Under
J.P. Crawford 0.5 -275 0.5 +200
Kazuma Okamoto 0.5 -275 0.5 +195
Cole Young 0.5 -200 0.5 +145
Jesus Sanchez 0.5 -175 0.5 +130
Brett Bateman 0.5 -165 0.5 +125

Mariners Keys to the Game vs. the Blue Jays

The Mariners are just 2-60 (.032) when trailing entering the 8th inning this season — 3rd lowest in MLB.

The Mariners are 9-4 (.692) when tied entering the 8th inning this season — 2nd best in MLB.

The Mariners are just 19-21 (.475) when they’ve scored in the first inning this season — 2nd lowest in MLB.

The Mariners are just 2-63 (.031) when trailing entering the 9th inning this season — 4th lowest in MLB.

Blue Jays Keys to the Game vs. the Mariners

The Blue Jays are just 9-32 (.220) when their opponents score in the first inning this season — lowest in MLB.

The Blue Jays are just 15-15 (.500) when they’ve scored in the first inning this season — tied for 3rd lowest in MLB.

The Blue Jays are just 7-49 (.125) when allowing 5 or more runs this season — 2nd lowest in MLB.

The Blue Jays were 71-4 (.947) when they scored 5 or more runs in the 2025 season — best in MLB; League Avg: .797.

The Mariners are batting just .213 against LHP this season — lowest in MLB.

Mariners hitters are slugging just .476 on the first pitch of at-bats this season — lowest in MLB.

Mariners hitters are slugging just .336 against LHP this season — lowest in MLB.

Mariners hitters have an OPS of just .634 (1,597 PA’s) against LHP this season — lowest in MLB.

Blue Jays hitters have struck out in just 19% of their PA’s against RHP this season — 2nd best in MLB.

The Blue Jays have scored 1.91 runs per game (258/135) in the first 5 innings this season — lowest in MLB.

Blue Jays hitters are slugging just .348 against LHP this season — 2nd lowest in MLB.

Blue Jays hitters are slugging just .503 on the first pitch of at-bats this season — 3rd lowest 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 — 2nd 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 their opponents to score first in just 43% of their games at home this season — 3rd lowest in MLB.

Blue Jays pitchers have allowed an average Exit Velocity of 87.8 MPH (3,230 batted balls) this season — 2nd best in MLB.

Blue Jays pitchers have 214 three-pitch strikeouts this season — 5th most in MLB.

The Blue Jays pitchers have allowed an average Exit Velocity of just 87.8 MPH this season (3,230 balls in play) — 2nd best in MLB

The Blue Jays pitchers have allowed their opponents to score first in 58% of their games this season — 3rd 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.