Mariners vs. Red Sox: MLB Prediction & Analysis

Our detailed prediction and analysis for the Mariners vs. Red Sox MLB game on Monday, August 31, 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
George Kirby 9-10, 4.02 ERA
8
9
Fenway Park
Red Sox
Payton Tolle 8-6, 3.09 ERA
Fenway Park
2 3 4 5 6 7 8 9 10 RHE
Mariners
0 1 0 1 4 1 0 0 0 8 11 0
Red Sox
2 0 0 2 0 0 2 1 1 9 12 0
Live Probabilities
Win %
  • Mariners
    0%
  • Red Sox
    100%
Win Probability
Baseball infield diamond diagram
Last At Bat
Outs
Trevor Story singles to center field. Jarren Duran to second. Caleb Durbin to third. Eli White scores.
Quick Box Score
Mariners Hitting
No.PlayerPosABRHRBIHRBBSOAVGOPS
1 R. Arozarena LF5344100.8002.400
2 B. Rodden DH0000000.0000.000
3 J. Rodríguez CF5011002.2000.600
4 C. Raleigh C5111101.2001.000
5 J. Naylor 1B4000011.0000.200
6 V. Robles RF0000000.0000.000
7 C. Young 2B4200001.0000.200
8 W. Wilson 3B4110013.2500.650
9 J. Crawford SS2110011.5001.250
Red Sox Hitting
No.PlayerPosABRHRBIHRBBSOAVGOPS
1 R. Anthony DH4220010.5001.850
2 M. Gasper 1B4111111.2501.400
3 C. Rafaela CF4023001.5000.900
4 E. White PR0100000.0000.000
5 N. Sogard 2B4220000.5001.250
6 C. Durbin 3B2110010.5001.250
7 J. Duran LF4112100.2501.400
8 T. Story SS5023001.4001.000
9 C. Wong C4110001.2500.500

Mariners vs. Red Sox: Detailed Breakdown

Matchup overview: MLB Monday

  • Teams: Seattle Mariners vs. Boston Red Sox
  • Date: Monday, August 31, 2026
  • Time: 6:45PM ET
  • Venue: Fenway Park

Current betting odds

  • Spread: Mariners (+1.5, -141), Red Sox (-1.5, +138)
  • Moneyline: Mariners +155, Red Sox -156
  • Total (Over/Under): 7.5 runs (-108/+102)

Dimers’ win probabilities

  • Mariners: 43.0%
  • Red Sox: 57.0%

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 43.0%, while the Red Sox have a win probability of 57.0%.

Summary

According to our analysis, the Red Sox are more likely to beat the Mariners in the MLB game at Fenway Park on Monday. Discover the best run line, over/under and moneyline odds, picks and probabilities for the game on this page.

Our Mariners vs. Red Sox 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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