Mariners vs. Rockies: MLB Prediction & Analysis

Our detailed prediction and analysis for the Mariners vs. Rockies MLB game on Sunday, September 20, 2026 is featured below. Drawing from 10,000 game simulations, we provide expert picks, betting odds, and insights.
FINAL
MLB
FINAL
MLB sport icon
MLB
Mariners
Kade Anderson 1-2, 5.33 ERA
2
1
Coors Field
Rockies
Tomoyuki Sugano 12-10, 5.49 ERA
Coors Field
1 2 3 4 5 6 7 8 9 RHE
Mariners
0 0 0 1 0 1 0 0 0 2 4 0
Rockies
0 0 0 0 0 0 0 0 1 1 5 0
Live Probabilities
Win %
  • Mariners
    100%
  • Rockies
    0%
Win Probability
Baseball infield diamond diagram
Last At Bat
Outs
Brett Sullivan strikes out swinging.
Quick Box Score
Mariners Hitting
No.PlayerPosABRHRBIHRBBSOAVGOPS
1 J. Crawford SS4110001.2500.500
2 R. Arozarena LF3100011.0000.250
3 D. Canzone RF4022001.5001.250
4 C. Raleigh C3000011.0000.250
5 J. Rodríguez CF3010000.3330.833
6 J. Naylor 1B4000000.0000.000
7 C. Young 2B3000000.0000.000
8 L. Montes DH2000012.0000.333
9 W. Wilson 3B0000000.0000.000
Rockies Hitting
No.PlayerPosABRHRBIHRBBSOAVGOPS
1 J. McCarthy CF4010001.2501.000
2 C. Norby 3B4000002.0000.000
3 H. Goodman DH4111102.2501.250
4 Z. Veen PR0000000.0000.000
5 C. Carrigg SS4010002.2500.500
6 A. Amador 2B3010010.3330.833
7 B. Sullivan C4000001.0000.000
8 T. Johnston RF10100001.0002.000
9 M. Moniak LF1000001.0000.000

Mariners vs. Rockies: Detailed Breakdown

Matchup overview: MLB Sunday

  • Teams: Seattle Mariners vs. Colorado Rockies
  • Date: Sunday, September 20, 2026
  • Time: 3:10PM ET
  • Venue: Coors Field

Current betting odds

  • Spread: Mariners (-1.5, +100), Rockies (+1.5, -104)
  • Moneyline: Mariners -150, Rockies +147
  • Total (Over/Under): 10.5 runs (-117/+117)

Dimers’ win probabilities

  • Mariners: 61.3%
  • Rockies: 38.7%

Dimers' predictive MLB model, renowned for its accuracy, assesses each team's chances by simulating the outcome of the game 10,000 times. This method provides a precise and unbiased view.

Our Prediction: Who Wins?

After extensive simulations, our model gives the Mariners a win probability of 61.3%, while the Rockies have a win probability of 38.7%.

Summary

According to our analysis, the Mariners are more likely to beat the Rockies in the MLB game at Coors Field on Sunday. Discover the best run line, over/under and moneyline odds, picks and probabilities for the game on this page.

Our Mariners vs. Rockies predictions, based on sophisticated simulations and current data, guide you in making informed decisions. Remember to bet responsibly and within your financial limits.

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