MLB Preview · August 31, 2026
Seattle Mariners at Boston Red Sox: Prediction, Odds & Preview
SEA 48-50at BOS 48-48·Fenway Park·
DiamondIQ Model — Win Probability
SEA46.9%53.1%BOS
The model leans BOS (53.1%). DiamondIQ model v2: season records, home-field advantage, the starting-pitcher quality gap (PitchIQ), and a calibration adjustment fit and validated on four seasons of backtest — plus live game state once underway.
Forecast at First Pitch
☁️77°FOvercast
Wind 10 mph S · out to CF
Precip 0%
Injured List
SEA
Brendan Donovan (3B)Injured 10-Day
Rob Refsnyder (DH)Injured 10-Day
Matt Brash (P)Injured 15-Day
Carlos Vargas (P)Injured 60-Day
Cooper Criswell (P)Injured 60-Day
Logan Evans (P)Injured 60-Day
BOS
Isiah Kiner-Falefa (2B)Injured 10-Day
Marcelo Mayer (2B)Injured 10-Day
Connelly Early (P)Injured 15-Day
Ranger Suarez (P)Injured 15-Day
Garrett Crochet (P)Injured 60-Day
Johan Oviedo (P)Injured 60-Day
Follow it live in the Game Center
Live win probability, pitch-by-pitch, and the model updating in real time.