Seattle Mariners vs Boston Red Sox odds and betting data
This is the MLB event page for Seattle Mariners vs Boston Red Sox. You can see and compare odds across different sportsbooks. The matchup is scheduled for Tuesday, September 1 at 10:46 PM UTC, and the odds tables below organize every available price by sportsbook, market, team, and outcome so you can quickly scan the best number before placing a bet.
Linewhale highlights the strongest current prices across 47 sportsbooks, including moneyline prices when available, spread points and prices, and over/under totals. Use this page to compare sportsbook odds, identify the best price for each side, review market differences, and open free line movement history for individual odds.
Free line movement for Seattle Mariners vs Boston Red Sox
To see line movement for this event, use the odds table below and click a specific moneyline, spread, or total price. Linewhale will open a free line movement chart for the selected sportsbook and outcome for Seattle Mariners vs Boston Red Sox, can review how that number has changed before you bet.
Moneyline· Pick the winner
Spread· Seattle Mariners +1.5 / Boston Red Sox -1.5
| Side | KKalshi | PPolymarket | CCaesars Sportsbook | MMyBookie.ag | WWilliam Hill | BBetMGM | DDraftKings | FFanatics Sportsbook | LLeoVegas | MMatchbook | BBetsson | NNordicBet | BBetano (UK) | FFanDuel | BBet Victor | LLadbrokes (UK) | CCoral | BBetRivers |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Seattle Mariners | +1.5 | +1.5 | +1.5 | +1.5 | +1.5 | +1.5 | +1.5 | +1.5 | +1.5 | +1.5 | +1.5 | +1.5 | +1.5 | +1.5 | +1.5 | +1.5 | +1.5 | +1.5 |
Boston Red Sox | -1.5 | -1.5 | -1.5 | -1.5 | -1.5 | -1.5 | -1.5 | -1.5 | -1.5 | -1.5 | -1.5 | -1.5 | -1.5 | -1.5 | -1.5 | -1.5 | -1.5 | -1.5 |
Spread· Seattle Mariners +1 / Boston Red Sox -1
| Side | PProphetX | CCasumo | UUnibet (Sweden) | UUnibet (Netherlands) | LLeoVegas (Sweden) | GGrosvenor |
|---|---|---|---|---|---|---|
Seattle Mariners | +1 | +1 | +1 | +1 | +1 | +1 |
Boston Red Sox | -1 | -1 | -1 | -1 | -1 | -1 |
Spread· Seattle Mariners -1.5 / Boston Red Sox +1.5
Total· O/U 7
Total· O/U 6.5
Total· O/U 7.5
| Side | PPolymarket | 11xBet |
|---|---|---|
Over 7.5 | ||
Under 7.5 |
Total· O/U 8.5
| Side | BBetsson | NNordicBet |
|---|---|---|
Over 8.5 | ||
Under 8.5 |
Total· O/U 2.5
| Side | NNovig |
|---|---|
Over 2.5 | |
Under 2.5 | — |
Seattle Mariners vs Boston Red Sox betting odds overview
Compare MLB odds for Seattle Mariners vs Boston Red Sox, scheduled for Tuesday, September 1 at 10:46 PM UTC. Linewhale tracks moneyline, spread, and total prices across 100+ sportsbooks in 8 regions so you can compare the best available number before placing a bet.
Best moneyline odds
Seattle Mariners is listed at +117 on Kalshi, while Boston Red Sox is listed at -118 on 1xBet.
Best spread odds
The best listed spread prices are Seattle Mariners +1.5 at -192 on Kalshi and Boston Red Sox -1.5 at +186 on Kalshi.
Best total odds
The best over price is +100 on FanDuel; the best under price is -108 on MyBookie.ag. The listed total is 7.
Odds can move quickly as sportsbooks adjust to injuries, lineup news, betting volume, and market-making books. Always confirm the final price at the sportsbook before submitting a wager.
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