Seattle Mariners @ Boston Red Sox
September 2, 2026 · 4:11 PM ET
Seattle Mariners 8 Boston Red Sox 3 Final
Caesars paid the most on Seattle Mariners at +135, against +122 at FanDuel. Same bet, same result: $13.00 more profit on a $100 stake, out of the 14 books that priced it.
Pregame Line History
Moneyline Line History
Spread Line History
Total Line History
About These Charts
Closing Moneyline last quotes before start
Closing prices as of September 2, 3:17 PM ET. These do not move again. Today's MLB odds.
| Book | Seattle Mariners | Boston Red Sox |
|---|---|---|
| Caesars | +135 | -145 |
| Novig | +135 | -138 |
| Pinnacle | +131 | -142 |
| Polymarket US | +130 | -133 |
| ProphetX | +129 | -141 |
| BetOnline | +128 | -141 |
| LowVig | +128 | -141 |
| theScore Bet | +128 | -145 |
| BetMGM | +125 | -150 |
| BetRivers | +125 | -143 |
| Bovada | +125 | -149 |
| Fanatics | +125 | -150 |
| Hard Rock Bet | +125 | -150 |
| Bally Bet | +123 | -150 |
| BetParx | +123 | -150 |
| DraftKings | +123 | -149 |
| Kalshi | +123 | -148 |
| MyBookie | +123 | -145 |
| FanDuel | +122 | -144 |
| Fliff | +120 | -150 |
Closing Spread best flagged at +1.5 / -1.5
| Book | Seattle Mariners | Boston Red Sox |
|---|---|---|
| Caesars | +1.5 -170 | -1.5 +143 |
| Novig | +1.5 -160 | -1.5 +156 |
| Pinnacle | +1.5 -166 | -1.5 +149 |
| Polymarket US | +1.5 -163 | -1.5 +156 |
| ProphetX | +1.5 -163 | -1.5 +151 |
| BetOnline | +1.5 -165 | -1.5 +145 |
| LowVig | +1.5 -165 | -1.5 +146 |
| theScore Bet | +1.5 -180 | -1.5 +150 |
| BetMGM | +1.5 -180 | -1.5 +145 |
| BetRivers | +1.5 -180 | -1.5 +145 |
| Bovada | +1.5 -170 | -1.5 +145 |
| Fanatics | +1.5 -170 | -1.5 +140 |
| Hard Rock Bet | +1.5 -175 | -1.5 +145 |
| Bally Bet | +1.5 -180 | -1.5 +145 |
| BetParx | +1.5 -180 | -1.5 +145 |
| DraftKings | +1.5 -171 | -1.5 +141 |
| Kalshi | +1.5 -174 | -1.5 +145 |
| MyBookie | +1.5 -171 | -1.5 +143 |
| FanDuel | +1.5 -178 | -1.5 +146 |
| Fliff | +1.5 -190 | -1.5 +140 |
Closing Total best flagged at 8.5
| Book | Over | Under |
|---|---|---|
| Caesars | 8.5 -105 | 8.5 -115 |
| Novig | 8.5 +106 | 8.5 -111 |
| Pinnacle | 8.5 +100 | 8.5 -113 |
| Polymarket US | 8.5 +104 | 8.5 -108 |
| ProphetX | 8.5 +102 | 8.5 -110 |
| BetOnline | 8.5 -107 | 8.5 -113 |
| LowVig | 8.5 -104 | 8.5 -110 |
| theScore Bet | 8.5 -110 | 8.5 -110 |
| BetMGM | 8.5 -105 | 8.5 -115 |
| BetRivers | 8.5 -104 | 8.5 -115 |
| Bovada | 8.5 -105 | 8.5 -115 |
| Fanatics | 8.5 -105 | 8.5 -115 |
| Hard Rock Bet | 8.5 -105 | 8.5 -115 |
| Bally Bet | 8.5 -105 | 8.5 -117 |
| BetParx | 8.5 -105 | 8.5 -117 |
| DraftKings | 8.5 -106 | 8.5 -114 |
| Kalshi | 8.5 -103 | 8.5 -115 |
| MyBookie | 8 -118 | 8 -103 |
| FanDuel | 8.5 -105 | 8.5 -115 |
| Fliff | 8.5 -105 | 8.5 -120 |
Where Pinnacle's Line Opened, and Where It Closed
This game was listed before Pinnacle priced it, so the number below is Pinnacle's earliest price on it rather than the first number anyone posted. It was actually posted, it is stamped with its own time, and the market may already have moved before it existed.
- Seattle Mariners: PINN open +119, closed +135 (longer)
- Boston Red Sox: PINN open -131, closed -143 (shorter)
Moneyline Movement
Best shoppable US-book price at each scan, from open to close. Excludes the exchanges, Pinnacle and the offshore books.
About These Closing Odds
Every price on this page is a book's own last quote strictly before Seattle Mariners and Boston Red Sox started, taken from our scan archive. A book that stopped pricing the game early still shows the number it closed at, and a book that never priced it is not listed. 20 books priced this game. Prediction market prices include trading fees wherever a fee applies, so they are directly comparable to sportsbook lines. See how we calculate this.
This page is permanent. The closing prices above do not change again, and the page keeps them at this address after the game, the season and the rematch, so it stays a citable record of what this line actually closed at.
For today's games, open the MLB board or the Line Shop.
Cite this page: https://theoddsgap.com/odds/mlb/seattle-mariners-vs-boston-red-sox, final September 2, 2026.
Previous Meetings
- Sep 1, 2026: Seattle Mariners 9, Boston Red Sox 6 · closing moneyline +107 / -117
- Aug 31, 2026: Seattle Mariners 8, Boston Red Sox 9 · closing moneyline +145 / -148
MLB Games Coming Up
- Tampa Bay Rays vs Cleveland Guardians odds · Thu Oct 15, 1:00 PM ET
- Milwaukee Brewers vs Los Angeles Dodgers odds · Thu Oct 15, 8:00 PM ET
Trends for This Game
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