• The Mariners are -155 favorites vs the Rockies
• Mariners vs Rockies Over / Under today: 11.5 Runs
• Mariners / Rockies TV Channel: MRTV | ROTV

The Seattle Mariners (-155) visit Coors Field to take on the Colorado Rockies (+125) on September 19, 2026. First pitch is scheduled for 8:10 pm in Denver, CO.

This season, the Mariners are 72-82 against the spread (ATS), while the Rockies are 80-74 ATS.

Mariners vs Rockies Starting Pitchers Today:

• Mariners starting pitcher: Bryce Miller 4-9, 4.22 ERA
• Rockies starting pitcher: Jose Quintana 2-3, 5.23 ERA

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

Mariners vs Rockies Prediction for Today’s Game

Based on recent trends the model predicts the Mariners will win Saturday‘s MLB game with 51.7% 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:

• J.P. Crawford has hit the Home Runs Over in 3 of his last 6 games (+19.90 Units / 332% ROI)
• Dominic Canzone has hit the Total Bases Over in 20 of his last 25 away games (+17.95 Units / 58% ROI)
• Dominic Canzone has hit the Hits Over in 20 of his last 25 away games (+12.90 Units / 29% ROI)
• Josh Naylor has hit the Singles Over in 18 of his last 25 away games (+9.85 Units / 32% ROI)
• Taylor Ward has hit the Hits Runs and RBIs Under in 18 of his last 25 games (+9.60 Units / 28% ROI)

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

Best Rockies Player Prop Best Bets Today:

• Cole Carrigg has hit the Home Runs Over in 3 of his last 8 games at home (+15.10 Units / 189% ROI)
• Connor Norby has hit the Hits Over in 21 of his last 25 games (+13.25 Units / 28% ROI)
• Ezequiel Tovar has hit the Total Bases Under in 18 of his last 25 games at home (+12.10 Units / 36% ROI)
• T.J. Rumfield has hit the Singles Over in 16 of his last 20 games (+11.45 Units / 47% ROI)
• Adael Amador has hit the Hits Runs and RBIs Over in 12 of his last 15 games (+9.25 Units / 54% ROI)

Mariners Best Bets Today:

• The Seattle Mariners have hit the Game Total Over in 30 of their last 45 away games (+14.70 Units / 30% ROI)
• The Seattle Mariners have hit the 1st Five Innings (F5) Team Total Over in 22 of their last 35 games (+8.20 Units / 20% ROI)
• The Seattle Mariners have hit the Team Total Over in 7 of their last 10 away games (+3.70 Units / 33% ROI)
• The Seattle Mariners have hit the 1st Five Innings (F5) Moneyline in 6 of their last 9 away games (+1.50 Units / 11% ROI)
• The Seattle Mariners have covered the 1st Five Innings (F5) Run Line in 5 of their last 9 away games (+0.35 Units / 3% ROI)

Rockies Best Bets Today:

• The Colorado Rockies have hit the 1st Five Innings (F5) Team Total Under in 21 of their last 30 games (+11.05 Units / 31% ROI)
• The Colorado Rockies have hit the Game Total Over in 10 of their last 14 games (+7.85 Units / 51% ROI)
• The Colorado Rockies have covered the Run Line in 8 of their last 11 games at home (+4.85 Units / 37% ROI)
• The Colorado Rockies have hit the Team Total Over in 6 of their last 9 games at home (+2.85 Units / 27% ROI)

Mariners Against the Spread (ATS) Record

Against the spread this season, the Mariners are 58-95 against the Run Line (-34.95 Units / -19.46% ROI).

• 72-82 when betting on the Moneyline for -32.2 Units / -15.6% ROI
• 81-65 when betting on the total runs Over for +9.7 Units / 5.7% ROI
• 65-81 when betting on the total runs Under for -23.65 Units / -13.99% ROI

Rockies Against the Spread (ATS) Record

Against the spread this season, the Rockies are 80-74 against the Run Line (-7.9 Units / -4.11% ROI).

• 56-98 when betting on the Moneyline for -16.4 Units / -10.57% ROI
• 75-74 when betting on the total runs Over for -7.15 Units / -4.17% ROI
• 74-75 when betting on the total runs Under for -7.4 Units / -4.42% ROI

Mariners Keys to the Game vs. the Rockies

The Mariners are just 26-39 (.400) vs bottom 10 scoring offenses this season Today, they face the Rockies (sixth in runs scored).

The Mariners are just 12-59 (.169) when allowing 5 or more runs this season — 5th lowest in MLB.

The Mariners are just 2-69 (.028) when trailing entering the 8th inning this season — 2nd lowest in MLB.

The Mariners are just 32-47 (.405) on the road this season — tied for 5th lowest in MLB.

Rockies Keys to the Game vs. the Mariners

The Rockies are just 37-27 (.578) when scoring 5 or more runs this season — lowest in MLB.

The Rockies are just 25-24 (.510) when they’ve hit 2 or more home runs this season — lowest in MLB.

The Rockies are just 33-26 (.559) when they’ve had 10 or more hits this season — lowest in MLB.

The Rockies are just 3-8 (.273) when tied entering the 7th inning this season — 3rd lowest in MLB.

Mariners Hitting Stats & Trends

The Mariners are batting just .153 with two-strikes this season — lowest in MLB.

The Mariners are batting just .221 at home this season — lowest in MLB.

The Mariners are just 22-49 (.310) against the run line (-36.5% ROI) after a win this season — lowest in MLB.

The Mariners are just 22-43 (.338) against the run line (-24.1% ROI) vs bottom 10 scoring offenses this season Today, they face the Rockies (sixth in runs scored).

Rockies Hitting Stats & Trends

Rockies hitters have a swing rate of 41% on the first pitch of at-bats this season — highest in MLB.

Rockies hitters have chased 36% of pitches out of the zone against LHP this season — highest in MLB.

14% of Rockies’ hitters plate appearances have lasted only one pitch (842/5,880 PA’s) this season — highest in MLB.

Rockies hitters have a swing rate of 52% this season — highest in MLB.

Mariners Pitching Stats & Trends

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 walked 7% of batters when facing the leadoff batter in the inning this season — tied for 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.

Rockies Pitching Stats & Trends

Rockies pitchers have allowed a slugging percentage of .491 this season — highest in MLB.

The Rockies have allowed 6.25 runs per game (475/76) at home this season — 2nd highest in MLB.

Rockies pitchers have allowed opponents to score in three different innings in 64% of their games this season — highest in MLB.

The longest HR allowed by the Rockies pitchers this season traveled 533.6 feet — — longest in MLB

More MLB Reading:

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

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