• The Cubs are -110 favorites vs the Mariners
• Cubs vs Mariners Over / Under today: 7.5 Runs
• Cubs / Mariners TV Channel: MARQ | MRTV

The Chicago Cubs (-110) visit T-Mobile Park to take on the Seattle Mariners (-110) on August 23, 2026. First pitch is scheduled for 4:10 pm in Seattle, WA.

This season, the Cubs are against the spread (ATS), while the Mariners are ATS.

Cubs vs Mariners Starting Pitchers Today:

• Cubs starting pitcher: Shota Imanaga 8-9, 3.77 ERA
• Mariners starting pitcher: Bryce Miller 4-7, 3.73 ERA

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

Cubs vs Mariners Prediction for Today’s Game

Based on recent trends the model predicts the Mariners will win Sunday‘s MLB game with 52.5% confidence, factoring in game simulations, recent player performances, starting pitchers and injuries.

Bet now on Cubs vs Mariners and all games with BetMGM

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

Best Cubs Player Prop Bets Today:

• Alex Bregman has hit the Home Runs Over in 4 of his last 5 away games (+22.60 Units / 452% ROI)
• Pete Crow-Armstrong has hit the Singles Under in 20 of his last 25 away games (+13.25 Units / 39% ROI)
• Michael Busch has hit the Walks Under in 17 of his last 20 away games (+11.50 Units / 32% ROI)
• Michael Conforto has hit the Runs Under in 16 of his last 20 games (+8.60 Units / 23% ROI)
• Pete Crow-Armstrong has hit the RBIs Over in 9 of his last 15 away games (+8.50 Units / 57% ROI)

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

Best Mariners Player Prop Best Bets Today:

• Cal Raleigh has hit the Runs Under in 21 of his last 25 games (+13.55 Units / 30% ROI)
• Taylor Ward has hit the Hits Runs and RBIs Under in 18 of his last 25 games at home (+10.60 Units / 36% ROI)
• Randy Arozarena has hit the Home Runs Over in 3 of his last 10 games (+10.20 Units / 102% ROI)
• Cole Young has hit the Total Bases Under in 12 of his last 15 games (+9.05 Units / 40% ROI)
• Bryce Miller has hit the Earned Runs Over in his last 7 games (+7.70 Units / 86% ROI)

Cubs Best Bets Today:

• The Chicago Cubs have covered the Run Line in 28 of their last 45 games (+16.35 Units / 31% ROI)
• The Chicago Cubs have hit the Team Total Over in 27 of their last 40 away games (+12.05 Units / 26% ROI)
• The Chicago Cubs have hit the Moneyline in 20 of their last 30 away games (+9.45 Units / 26% ROI)
• The Chicago Cubs have hit the Game Total Over in 10 of their last 14 away games (+6.70 Units / 43% ROI)
• The Chicago Cubs have hit the 1st Five Innings (F5) Team Total Under in 14 of their last 23 games (+4.45 Units / 17% ROI)

Mariners Best Bets Today:

• The Seattle Mariners have hit the 1st Five Innings (F5) Team Total Under in 28 of their last 45 games at home (+9.70 Units / 18% ROI)
• The Seattle Mariners have hit the Game Total Over in 26 of their last 45 games (+9.45 Units / 19% ROI)
• The Seattle Mariners have hit the Team Total Under in 29 of their last 50 games at home (+7.30 Units / 13% ROI)
• The Seattle Mariners have covered the 1st Five Innings (F5) Run Line in 8 of their last 11 games (+4.55 Units / 34% ROI)
• The Seattle Mariners have hit the Moneyline in 6 of their last 9 games (+3.60 Units / 39% ROI)

Cubs Against the Spread (ATS) Record

Against the spread this season, the Cubs are against the Run Line ( Units / ROI).

• away moneyline record when betting on the Moneyline for ML units Units / ML ROI ROI
• away total over record when betting on the total runs Over for over units Units / over ROI ROI
• away total under record when betting on the total runs Under for under units Units / under ROI ROI

Mariners Against the Spread (ATS) Record

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

• home moneyline record when betting on the Moneyline for ML units Units / ML ROI ROI
• home total over record when betting on the total runs Over for over units Units / over ROI ROI
• home total under record when betting on the total runs Under for under units Units / under ROI ROI

Mariners vs Cubs Home Run Prop Bets Today

Mariners vs Cubs Total Hits Prop Bets Today

Mariners vs Cubs Strikeout Prop Bets Today

Cubs Keys to the Game vs. the Mariners

The Cubs are 18-22 (.450) when allowing 10 or more hits this season — best in MLB.

The Cubs are 28-29 (.491) when allowing 2 or more home runs this season — best in MLB.

The Cubs are 6-51 (.105) when trailing entering the 9th inning this season — best in MLB.

The Cubs are 44-30 (.595) after a win this season — 5th best in MLB.

Mariners Keys to the Game vs. the Cubs

The Mariners are just 18-20 (.474) when they’ve scored in the first inning this season — 2nd lowest in MLB.

The Mariners are just 2-58 (.033) when trailing entering the 8th inning this season — 3rd lowest in MLB.

The Mariners are just 2-61 (.032) when trailing entering the 9th inning this season — tied for 4th lowest in MLB.

The Mariners are just 22-31 (.415) vs bottom 10 scoring offenses this season Today, they face the Cubs (second in runs scored).

Cubs Hitting Stats & Trends

Cubs hitters have an OPS of .807 (1,375 PA’s) against LHP this season — best in MLB.

Cubs hitters have an OBP of .355 (1,375 PA’s) against LHP this season — best in MLB.

Cubs hitters are slugging .452 against LHP this season — best in MLB.

The Cubs are batting .268 against LHP this season — 2nd best in MLB.

Mariners Hitting Stats & Trends

Mariners hitters are slugging just .340 against LHP this season — lowest in MLB.

The Mariners are batting just .222 at home this season — 2nd lowest in MLB.

Mariners hitters are slugging just .375 this season — tied for 2nd lowest in MLB.

The Mariners are batting just .302 on the first pitch of at-bats this season — 2nd lowest in MLB.

Cubs Pitching Stats & Trends

Opponents have a groundball batting average of just .205 against Cubs pitchers with runners on base this season — best in MLB.

Cubs pitchers have picked-off 20 runners from first base this season — most in MLB.

Opponents have a groundball batting average of just .219 against Cubs pitchers this season — best in MLB.

The Cubs pitchers have allowed division opponents to score first in 64% of their games this season — 2nd highest in MLB.

Mariners Pitching Stats & Trends

Mariners pitchers have thrown at least two strikes in their first three pitches to 69% of opposing batters this season — 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 — tied for best in MLB.

Mariners pitchers have walked 6% of batters when facing the leadoff batter in the inning this season — tied for 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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