Guardians vs Mariners Prediction, Odds & Player Prop Bets Today – MLB, Mar 26

Seattle Mariners' Julio Rodriguez watches his home run during the eighth inning of a baseball game against the San Diego Padres, Tuesday, June 6, 2023, in San Diego. (AP Photo/Gregory Bull)
(AP Photo/Gregory Bull)
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  • The Mariners are -185 favorites vs the Guardians
  • Guardians vs Mariners Over / Under today: 6.5 Runs
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The Cleveland Guardians (+155) visit T-Mobile Park to take on the Seattle Mariners (-185) on March 26, 2026. First pitch is scheduled for 10:10 pm in Seattle, WA.

This season, the Guardians are 0-0 against the spread (ATS), while the Mariners are 0-0 ATS.

Guardians vs Mariners Starting Pitchers Today:

  • Guardians starting pitcher: Tanner Bibee 0-0, 0.00 ERA
  • Mariners starting pitcher: Logan Gilbert 0-0, 0.00 ERA

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

SpreadOver / UnderMoneyline
Guardians+1.5 -155O 6.5 +100+155
Mariners -1.5 +130U 6.5 -120-185

Guardians vs Mariners Prediction for Today’s Game

Based on recent trends the model predicts the Mariners will win Thursday‘s MLB game with 60.1% 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 Guardians players for Thursday‘s game, looking at profitable historical betting trends:

Best Guardians Player Prop Bets Today:

  • Brayan Rocchio has hit the Home Runs Over in 2 of his last 4 games (+21.00 Units / 525% ROI)
  • Jose Ramirez has hit the Hits Under in 14 of his last 25 away games (+7.30 Units / 20% ROI)
  • Jose Ramirez has hit the Runs Over in 8 of his last 10 away games (+7.25 Units / 70% ROI)
  • Steven Kwan has hit the Singles Under in 6 of his last 7 games (+6.05 Units / 86% ROI)
  • Steven Kwan has hit the Total Bases Over in 7 of his last 10 away games (+6.00 Units / 60% ROI)

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

Best Mariners Player Prop Best Bets Today:

  • Josh Naylor has hit the Home Runs Over in 3 of his last 6 games (+14.60 Units / 243% ROI)
  • Josh Naylor has hit the Singles Over in 15 of his last 20 games (+10.60 Units / 49% ROI)
  • Cal Raleigh has hit the RBIs Under in 16 of his last 20 games at home (+9.00 Units / 26% ROI)
  • Josh Naylor has hit the Hits Runs and RBIs Over in 14 of his last 20 games (+7.65 Units / 33% ROI)
  • Leonardo Rivas has hit the Runs Under in his last 7 games (+7.00 Units / 38% ROI)
  • The Cleveland Guardians have hit the Moneyline in 49 of their last 77 games (+21.25 Units / 23% ROI)
  • The Cleveland Guardians have hit the Game Total Under in 39 of their last 60 away games (+18.30 Units / 28% ROI)
  • The Cleveland Guardians have covered the Run Line in 38 of their last 57 away games (+17.05 Units / 21% ROI)
  • The Cleveland Guardians have covered the 1st Five Innings (F5) Run Line in 33 of their last 50 away games (+14.05 Units / 23% ROI)
  • The Cleveland Guardians have hit the Team Total Under in 90 of their last 162 games (+9.19 Units / 5% ROI)
  • The Seattle Mariners have hit the Game Total Over in 92 of their last 162 games (+19.65 Units / 11% ROI)
  • The Seattle Mariners have hit the Moneyline in 38 of their last 54 games at home (+16.75 Units / 19% ROI)
  • The Seattle Mariners have covered the 1st Five Innings (F5) Run Line in 28 of their last 44 games (+9.65 Units / 18% ROI)
  • The Seattle Mariners have covered the Run Line in 21 of their last 33 games (+9.30 Units / 22% ROI)
  • The Seattle Mariners have hit the 1st Five Innings (F5) Moneyline in 25 of their last 44 games (+7.65 Units / 11% ROI)

Guardians Against the Spread (ATS) Record

Against the spread this season, the Guardians are 0-0 against the Run Line (+0 Units / 0% ROI).

  • 0-0 when betting on the Moneyline for +0 Units / 0% ROI
  • 0-0 when betting on the total runs Over for +0 Units / 0% ROI
  • 0-0 when betting on the total runs Under for +0 Units / 0% ROI

Mariners Against the Spread (ATS) Record

Against the spread this season, the Mariners are 0-0 against the Run Line (+0 Units / 0% ROI).

  • 0-0 when betting on the Moneyline for +0 Units / 0% ROI
  • 0-0 when betting on the total runs Over for +0 Units / 0% ROI
  • 0-0 when betting on the total runs Under for +0 Units / 0% ROI

Mariners vs Guardians Home Run Prop Bets Today

Yes
Cal Raleigh (SEA) +275
Julio Rodriguez (SEA) +500
Josh Naylor (SEA) +575
Jose Ramirez (CLE) +625
Rhys Hoskins (CLE) +675

Mariners vs Guardians Total Hits Prop Bets Today

Over Under
Julio Rodriguez (SEA) 0.5 -220 0.5 +165
Brendan Donovan (SEA) 0.5 -200 0.5 +155
Steven Kwan (CLE) 0.5 -190 0.5 +145
Josh Naylor (SEA) 0.5 -190 0.5 +145
Jose Ramirez (CLE) 0.5 -160 0.5 +125

Mariners vs Guardians RBI Prop Bets Today

Over Under
Cal Raleigh (SEA) 0.5 +160 0.5 -210
Josh Naylor (SEA) 0.5 +170 0.5 -225
Julio Rodriguez (SEA) 0.5 +195 0.5 -275
Jose Ramirez (CLE) 0.5 +230 0.5 -300
Randy Arozarena (SEA) 0.5 +240 0.5 -325

Mariners vs Guardians Strikeout Prop Bets Today

Over Under
Tanner Bibee (CLE) 5.5 +125 5.5 -160

Guardians Keys to the Game vs. the Mariners

The Guardians were 33-4 (.868) when they had 10 or more hits in the 2025 season — 2nd best in MLB; League Avg: .743.

The Guardians were 24-2 (.923) when they had 5 or more XBH in the 2025 season — 2nd best in MLB; League Avg: .799.

The Guardians were 43-37 (.531) on the road in the 2025 season — 3rd best in MLB; League Avg: .457.

The Guardians were 50-8 (.847) when they scored 5 or more runs in the 2025 season — tied for 4th best in MLB; League Avg: .797.

Mariners Keys to the Game vs. the Guardians

The Mariners are 19-111 (.146) when trailing entering the 8th inning since the 2024 season — best in MLB; League Avg: .095.

The Mariners were 5-59 (.078) when trailing entering the 9th inning in the 2025 season — 5th best in MLB; League Avg: .043.

The Mariners were just 10-26 (.278) vs top 10 scoring offenses in the 2025 season Today, they face the Guardians (28th in runs scored).

The Mariners were 18-10 (.643) when tied entering the 7th inning in the 2025 season — 4th best in MLB; League Avg: .500.

The Guardians batted just .226 in the 2025 season — 2nd lowest in MLB.

Guardians hitters slugged just .295 in righty-righty matchups in the 2025 season — lowest in MLB.

Guardians hitters had an OPS of just .545 (690 PA’s) in righty-righty matchups in the 2025 season — lowest in MLB.

The Guardians batted just .223 against LHP in the 2025 season — 3rd lowest in MLB.

Mariners hitters slugged .712 on the first pitch of at-bats in the 2025 season — best in MLB.

The Mariners are batting just .226 when facing the starting pitcher for the 3rd time in a game since the 2024 season — lowest in MLB.

Mariners hitters had an OPS of .776 (3,230 PA’s) on the road in the 2025 season — 2nd best in MLB.

Mariners hitters slugged .444 on the road in the 2025 season — 2nd best in MLB.

Opponents had a chase percentage of just 26% against the Guardians pitchers in the 2025 season — lowest in MLB.

Guardians pitchers had allowed a run just 25% of the time after their offense scored last season — lowest in MLB; League Avg: 30%.

Guardians pitchers allowed opponents to score in three different innings in 37% of their games last season — lowest in MLB; League Avg: 46%.

Guardians pitchers had an ERA of 3.72 (706.0 IP) on the road in the 2025 season — tied for best in MLB.

The Mariners pitchers have allowed division opponents to score first in just 30% of their games since the 2024 season — lowest in MLB; League Avg: 50%.

Mariners pitchers have allowed an OBP of just .267 (2,901 PA’s) when facing the leadoff batter in the inning since the 2024 season — best in MLB.

The Mariners pitchers have allowed division opponents to score first in just 33% of their games since the 2023 season — lowest in MLB; League Avg: 50%.

Mariners pitchers walked 6% of batters when facing the leadoff batter in the inning in the 2025 season — 3rd best 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.