Final Score: Mariners 8 - Red Sox 9
Monday, August 31, 2026 at 6:45 PM ET

Mariners @ Red Sox

MLB model probabilities, projected margin and matchup analysis
Mariners
64-73 Rating 1503
Form: WLLLL
Model Probability
42%
58%
Projected margin: Boston Red Sox +0.6
Red Sox
74-63 Rating 1537
Form: LLWLL

Model Prediction Through Season

Head-to-Head

Historical record and recent meetings
Stat Mariners Red Sox
All-time wins 197 268
Last 5 meetings 2 3
Average runs 4.5 5.2
Last meeting 3 1

Key Season Stats

Stat Mariners Red Sox
Games played 137 137
Avg runs scored 3.9 4.4
Avg runs conceded 4.4 3.8
Win percentage 47% 54%
Away win % / Home win % 39% 52%