• The Mariners are -145 favorites vs the Guardians
• Mariners vs Guardians Over / Under today: 7.5 Runs
• Mariners / Guardians TV Channel: GDTV | MRTV

The Seattle Mariners (-145) visit Progressive Field to take on the Cleveland Guardians (+120) on June 27, 2026. First pitch is scheduled for 7:10 pm in Cleveland, OH.

This season, the Mariners are 42-41 against the spread (ATS), while the Guardians are 39-42 ATS.

Mariners vs Guardians Starting Pitchers Today:

• Mariners starting pitcher: Logan Gilbert 6-4, 3.28 ERA
• Guardians starting pitcher: Slade Cecconi 3-6, 4.52 ERA

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

Mariners vs Guardians Prediction for Today’s Game

Based on recent trends the model predicts the Mariners will win Saturday‘s MLB game with 57.7% 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 Saturday‘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 7 away games (+17.40 Units / 249% ROI)
• Cal Raleigh has hit the Hits Runs and RBIs Under in 17 of his last 20 games (+13.80 Units / 56% ROI)
• J.P. Crawford has hit the Walks Under in 14 of his last 15 away games (+13.10 Units / 61% ROI)
• Cal Raleigh has hit the Total Bases Under in 16 of his last 20 games (+11.30 Units / 40% ROI)
• Cal Raleigh has hit the RBIs Under in 17 of his last 20 games (+11.25 Units / 27% ROI)

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

Best Guardians Player Prop Best Bets Today:

• Daniel Schneemann has hit the Singles Under in his last 10 games (+10.00 Units / 56% ROI)
• Daniel Schneemann has hit the Runs Under in his last 10 games at home (+10.00 Units / 48% ROI)
• Daniel Schneemann has hit the Total Bases Under in 17 of his last 25 games (+9.65 Units / 33% ROI)
• Daniel Schneemann has hit the Hits Runs and RBIs Under in his last 9 games at home (+9.45 Units / 80% ROI)
• Daniel Schneemann has hit the Hits Under in 16 of his last 25 games (+9.45 Units / 37% ROI)

Mariners Best Bets Today:

• The Seattle Mariners have hit the Team Total Under in 33 of their last 50 games (+14.35 Units / 25% ROI)
• The Seattle Mariners have hit the 1st Five Innings (F5) Team Total Under in 9 of their last 11 games (+6.80 Units / 53% ROI)
• The Seattle Mariners have hit the Game Total Over in 11 of their last 18 away games (+4.75 Units / 24% ROI)
• The Seattle Mariners have covered the Run Line in 15 of their last 30 away games (+4.05 Units / 13% ROI)
• The Seattle Mariners have covered the 1st Five Innings (F5) Run Line in 14 of their last 25 away games (+2.20 Units / 8% ROI)

Guardians Best Bets Today:

• The Cleveland Guardians have hit the Team Total Under in 22 of their last 35 games (+7.90 Units / 20% ROI)
• The Cleveland Guardians have hit the 1st Five Innings (F5) Moneyline in 21 of their last 45 games (+6.80 Units / 12% ROI)
• The Cleveland Guardians have hit the 1st Five Innings (F5) Team Total Under in their last 5 games (+5.45 Units / 96% ROI)
• The Cleveland Guardians have hit the Game Total Under in 12 of their last 19 games (+4.35 Units / 21% ROI)
• The Cleveland Guardians have covered the 1st Five Innings (F5) Run Line in 6 of their last 10 games at home (+2.40 Units / 22% ROI)

Mariners Against the Spread (ATS) Record

Against the spread this season, the Mariners are 32-51 against the Run Line (-9.9 Units / -11.4% ROI).

• 42-41 when betting on the Moneyline for -11.8 Units / -10.48% ROI
• 39-41 when betting on the total runs Over for -5.95 Units / -6.5% ROI
• 41-39 when betting on the total runs Under for -1.7 Units / -1.86% ROI

Guardians Against the Spread (ATS) Record

Against the spread this season, the Guardians are 39-42 against the Run Line (-6.05 Units / -5.69% ROI).

• 42-40 when betting on the Moneyline for +1.4 Units / 1.45% ROI
• 39-43 when betting on the total runs Over for -7.95 Units / -8.87% ROI
• 43-39 when betting on the total runs Under for -0.35 Units / -0.38% ROI

Mariners Keys to the Game vs. the Guardians

The Mariners are just 8-19 (.296) vs bottom 10 scoring offenses this season Today, they face the Guardians (28th in runs scored).

The Mariners are just 1-32 (.030) when trailing entering the 8th inning this season — tied for 4th lowest in MLB; League Avg: .104.

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 7-15 (.318) vs the top 10 runs allowed teams this season Today, they face Guardians (eighth in runs allowed).

Guardians Keys to the Game vs. the Mariners

The Guardians are 13-2 (.867) when they’ve hit 2 or more home runs this season — 2nd best in MLB; League Avg: .698.

The Guardians are just 1-30 (.032) when trailing entering the 7th inning this season — 2nd lowest in MLB; League Avg: .141.

The Guardians are just 1-37 (.026) when trailing entering the 9th inning this season — 5th lowest in MLB; League Avg: .058.

The Guardians are 23-16 (.590) after a loss this season — 4th best in MLB; League Avg: .486.

Mariners Hitting Stats & Trends

The Mariners are batting just .205 against LHP this season — lowest in MLB.

Mariners hitters are slugging just .322 against LHP this season — lowest in MLB.

Mariners hitters have an OPS of just .613 (916 PA’s) against LHP this season — lowest in MLB.

Mariners hitters have an OBP of just .291 (916 PA’s) against LHP this season — 2nd lowest in MLB.

Guardians Hitting Stats & Trends

Guardians hitters are slugging just .364 this season — lowest in MLB.

The Guardians are batting just .218 on the road this season — lowest in MLB.

The Guardians are batting just .199 when facing the starting pitcher for the 3rd time in a game this season — 2nd lowest in MLB.

The Guardians are hitting just .167 against pitchers who have thrown at least 80 pitches in the game this season — lowest in MLB.

Mariners Pitching Stats & Trends

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

Mariners pitchers have walked 6% of batters when facing the leadoff batter in the inning this season — best in MLB.

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

Guardians Pitching Stats & Trends

Opponents have a miss rate of 28% against Guardians pitchers this season — 2nd best in MLB.

Guardians pitchers have an ERA of 2.73 (171.2 IP) against division opponents this season — 2nd best in MLB.

Guardians pitchers have a strikeout rate of 31% in close and late situations this season — best in MLB.

Guardians pitchers have a strikeout rate of 25% with runners in scoring position this season — 2nd best in MLB.

More MLB Reading:

• Home Run Predictions Today
• Best NRFI Bets Today
• Strikeout Props Today
• MLB Starting Pitchers Today

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