Independent education & practice site — this is NOT Polymarket and is not affiliated with, endorsed by, or connected to Polymarket, Inc. (polymarket.com). All practice accounts use virtual money only — no real-money trading or deposits.

Seattle Mariners vs. Boston Red Sox

MLB
Seattle Mariners
64-74
8
Final
9
Boston Red Sox
75-63
Game context

The Red Sox enter the September 1 matchup at Fenway Park with a stronger overall profile, boasting a 74-63 record and playoff positioning in the AL East while the Mariners sit at 64-74 and trail in the AL West. Sonny Gray’s 16-4 mark and 2.82 ERA anchor Boston’s rotation edge against Bryan Woo, who carries a 9-9 record and 4.36 ERA. Recent developments include Boston’s dramatic 9-8 comeback victory in 10 innings the prior night, fueled by Trevor Story’s walk-off single and contributions from Roman Anthony and Ceddanne Rafaela, despite placing Willson Contreras on the injured list. Seattle has dropped five straight, with Randy Arozarena providing recent power but the club facing multiple roster absences. Home-field advantage, bullpen depth, and the favorable pitching matchup shape trader consensus around the Red Sox.

View on Official Site Trade with real money on Polymarket
Moneyline
$266.9K Vol.
Spread
$16.5K Vol.
Total (O/U)
$467K Vol.
1st 5 Innings · Moneyline
$2.4K Vol.
1st 5 Innings · Spread
1st 5 Innings · Total (O/U)
$539 Vol.

In the upcoming MLB game between the Seattle Mariners and Boston Red Sox, scheduled for August 31 at 6:45PM ET:

This market will resolve to "Seattle Mariners" if the Seattle Mariners win the game.

This market will resolve to "Boston Red Sox" if the Boston Red Sox win the game.

If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, or ends in a tie, this market will resolve 50-50.

The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.

Resolution Source: www.mlb.com

Odds & FAQ

What are the current odds for Seattle Mariners vs. Boston Red Sox?
The current front-runner is NRFI at 99%, ahead of O/U 8.5 at 99%. These live odds update with every trade on the Polymarket order book.
What do traders predict for Seattle Mariners vs. Boston Red Sox?
Traders currently imply a 99% chance for NRFI. Market-implied probabilities reflect real money at stake, but they are live forecasts that shift as new information arrives, not guarantees.
When does the Seattle Mariners vs. Boston Red Sox market resolve?
This market is scheduled to resolve on 7 Sep 2026 (6 days left). It settles according to Polymarket's published resolution criteria once the outcome is confirmed.
How much money is trading on Seattle Mariners vs. Boston Red Sox?
Total traded volume on this market is $7.6M, a measure of how much real money traders have committed to the outcome.
How can I trade Seattle Mariners vs. Boston Red Sox on Polymarket?
You can follow the live odds on this page and open the market on Polymarket to trade it yourself. Prediction trading carries risk; never stake more than you can afford to lose.

Similar Markets

Trade on Polymarket
Start Polymarket Training For Free
Trade prediction markets with virtual money. Real prices, zero risk. Compete on the leaderboard.
$1K
Virtual Cash
500+
Markets
$0
Real Risk
Learn more