MLB Betting Board
Seattle Mariners at Boston Red Sox - 6:45 PM ET
Updated: 2026-09-01T01:36:30.939794+00:00
Moneyline sets the win-probability baseline: Seattle Mariners -102 / Boston Red Sox -118. Spread frames the expected margin: Seattle Mariners 1.5 (-199) / Boston Red Sox -1.5 (+163). Total frames the scoring environment: 8 (Over -102 / Under -119). First listed moneyline implies roughly 50.5% win probability.
Game
Seattle Mariners at Boston Red Sox
Market / Key Data
Game: Seattle Mariners at Boston Red Sox - 6:45 PM ET
Market source: DraftKings
Moneyline: Seattle Mariners -102 / Boston Red Sox -118
Spread: Seattle Mariners 1.5 (-199) / Boston Red Sox -1.5 (+163)
Why It Matters
Pitching confirmations and weather can move MLB totals quickly.
Moneyline gaps show market confidence, but late lineup news still matters.
What To Watch
Starting pitcher confirmations.
Weather, wind, humidity, and postponement risk.
Bullpen usage and lineup scratches before first pitch.