• The Mariners are -150 favorites vs the Reds
• Reds vs Mariners Over / Under today: 7.5 Runs
• Reds / Mariners TV Channel: WXIX | MRTV | RDTV

The Cincinnati Reds (+125) visit T-Mobile Park to take on the Seattle Mariners (-150) on July 20, 2026. First pitch is scheduled for 9:40 pm in Seattle, WA.

This season, the Reds are 45-53 against the spread (ATS), while the Mariners are 40-60 ATS.

Reds vs Mariners Starting Pitchers Today:

• Reds starting pitcher: Andrew Abbott 5-5, 4.14 ERA
• Mariners starting pitcher: Logan Gilbert 8-6, 3.37 ERA

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

Reds vs Mariners Prediction for Today’s Game

Based on recent trends the model predicts the Mariners will win Monday‘s MLB game with 56.3% confidence, factoring in game simulations, recent player performances, starting pitchers and injuries.

Bet now on Reds vs Mariners and all games with BetMGM

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

Best Reds Player Prop Bets Today:

• Tyler Stephenson has hit the Hits Over in 13 of his last 15 away games (+11.50 Units / 55% ROI)
• Sal Stewart has hit the Home Runs Over in 4 of his last 9 away games (+11.25 Units / 125% ROI)
• Tyler Stephenson has hit the Total Bases Over in 13 of his last 15 away games (+10.70 Units / 51% ROI)
• Andrew Abbott has hit the Hits Allowed Under in 13 of his last 15 games (+10.60 Units / 54% ROI)
• JJ Bleday has hit the Walks Over in 15 of his last 25 games (+10.60 Units / 42% ROI)

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

Best Mariners Player Prop Best Bets Today:

• Cole Young has hit the Home Runs Over in 4 of his last 9 games (+26.00 Units / 289% ROI)
• J.P. Crawford has hit the Hits Runs and RBIs Under in 21 of his last 25 games at home (+15.80 Units / 48% ROI)
• George Kirby has hit the Hits Allowed Over in 17 of his last 20 games (+14.70 Units / 61% ROI)
• Cole Young has hit the Runs Over in 10 of his last 15 games (+12.15 Units / 81% ROI)
• Cal Raleigh has hit the Total Bases Under in 13 of his last 15 games at home (+11.85 Units / 64% ROI)

Reds Best Bets Today:

• The Cincinnati Reds have hit the Team Total Under in 29 of their last 45 games (+11.50 Units / 22% ROI)
• The Cincinnati Reds have hit the 1st Five Innings (F5) Team Total Over in 20 of their last 30 away games (+9.60 Units / 26% ROI)
• The Cincinnati Reds have hit the Game Total Over in 28 of their last 45 away games (+9.20 Units / 18% ROI)
• The Cincinnati Reds have covered the 1st Five Innings (F5) Run Line in 22 of their last 35 games (+7.75 Units / 19% ROI)
• The Cincinnati Reds have hit the 1st Five Innings (F5) Moneyline in 11 of their last 24 away games (+5.60 Units / 20% ROI)

Mariners Best Bets Today:

• The Seattle Mariners have hit the Team Total Under in 26 of their last 40 games (+10.75 Units / 23% ROI)
• The Seattle Mariners have hit the Moneyline in 16 of their last 22 games at home (+8.05 Units / 24% ROI)
• The Seattle Mariners have hit the 1st Five Innings (F5) Team Total Under in 22 of their last 35 games at home (+8.00 Units / 19% ROI)
• The Seattle Mariners have hit the Game Total Over in 9 of their last 16 games (+4.55 Units / 25% ROI)
• The Seattle Mariners have covered the Run Line in 9 of their last 17 games at home (+3.55 Units / 20% ROI)

Reds Against the Spread (ATS) Record

Against the spread this season, the Reds are 53-44 against the Run Line (-3.5 Units / -2.53% ROI).

• 45-53 when betting on the Moneyline for -7.9 Units / -7.2% ROI
• 55-42 when betting on the total runs Over for +8.75 Units / 8.07% ROI
• 42-55 when betting on the total runs Under for -17.9 Units / -16.69% ROI

Mariners Against the Spread (ATS) Record

Against the spread this season, the Mariners are 40-60 against the Run Line (-11.6 Units / -10.69% ROI).

• 50-50 when betting on the Moneyline for -14.55 Units / -10.63% ROI
• 48-46 when betting on the total runs Over for -2.4 Units / -2.17% ROI
• 46-48 when betting on the total runs Under for -6.5 Units / -5.92% ROI

Mariners vs Reds Home Run Prop Bets Today

Mariners vs Reds Total Hits Prop Bets Today

Mariners vs Reds Strikeout Prop Bets Today

Reds Keys to the Game vs. the Mariners

The Reds are just 3-15 (.167) when tied entering the 7th inning this season — lowest in MLB; League Avg: .500.

The Reds are 5-46 (.098) when trailing entering the 9th inning this season — 2nd best in MLB; League Avg: .053.

The Reds are just 6-11 (.353) when tied entering the 8th inning this season — 5th lowest in MLB; League Avg: .500.

The Reds are just 5-27 (.156) when allowing 10 or more hits this season — 5th lowest in MLB; League Avg: .248.

Mariners Keys to the Game vs. the Reds

The Mariners are just 14-26 (.350) vs bottom 10 scoring offenses this season Today, they face the Reds (23rd in runs scored).

The Mariners are just 6-35 (.146) when allowing 5 or more runs this season — 5th lowest in MLB; League Avg: .206.

The Mariners are just 1-44 (.022) when trailing entering the 9th inning this season — 3rd lowest in MLB; League Avg: .053.

The Mariners are just 1-40 (.024) when trailing entering the 8th inning this season — 3rd lowest in MLB; League Avg: .098.

Reds Hitting Stats & Trends

The Reds are batting just .119 on pitches out of the zone this season — lowest in MLB.

Reds hitters are slugging just .171 on pitches out of the zone this season — lowest in MLB.

The Reds are batting just .215 with two outs this season — tied for lowest in MLB.

The Reds are batting just .219 with runners on base this season — lowest in MLB.

Mariners Hitting Stats & Trends

The Mariners are batting just .214 against LHP this season — lowest in MLB.

Mariners hitters have an OPS of just .631 (1,042 PA’s) against LHP this season — lowest in MLB.

The Mariners are batting just .298 on the first pitch of at-bats this season — 2nd lowest in MLB.

The Mariners are batting just .152 with two-strikes this season — 3rd lowest in MLB.

Reds Pitching Stats & Trends

Reds pitchers have walked 11% of batters this season — tied for 2nd highest in MLB.

Reds pitchers have a first-pitch strike rate of just 58% this season — lowest in MLB.

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

Reds pitchers have a strike rate of just 62% this season — tied for lowest in MLB.

Mariners Pitching Stats & Trends

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

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

The Mariners pitchers have allowed division opponents to score first in just 27% of their games this season — lowest 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.

More MLB Reading:

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

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