Part of: Seattle Mariners vs. Boston Red Sox

Seattle Mariners vs. Boston Red Sox: O/U 8.5

In the upcoming MLB game between the Seattle Mariners and Boston Red Sox, scheduled for September 2 at 4:10 PM ET: This market will resolve to "Over" if the Seattle Mariners and Boston Red Sox combine to score 9 or more runs in this game. If the combined total is less than 9, this market will resolve to "Under". 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, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. 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.

2 smart money signals detected, totaling $20,377.

Categories: Sports, Games, MLB, baseball

Notable Trades

Sharp bettor scaling into Under

A proven high-edge bettor is adding $5,000 to an existing Under position amid an extreme volume surge.

  • This bettor wins 91% of resolved trades and is up $219,526 lifetime.
  • They added $5,000 to an existing Under position, bringing total investment to about $90,000.
  • The market saw an extreme 1,618x historical volume spike, despite the Under price falling to 42¢.

$5,000 on Under | Wallet win rate: 92%

92% winner makes massive Under bet

A highly proven sports bettor with a 92% win rate made a concentrated $15,377 Under bet at near-even odds, far exceeding the market's recent activity.

  • This bettor has won 298 of 324 resolved trades (92%) and is up $2.9 million.
  • The $15,377 Under position was over three times the flagged $4,620 in 24-hour volume, showing strong conviction.
  • The trade is priced at 49¢, offering substantial upside if this bettor's assessment is correct.

$15,377 on Under | Wallet win rate: 92%

Top Holders

  1. 0x2089...712e — Under, $84,865 (92% win rate)
  2. 0x684b...8409 — Under, $64,381 (92% win rate)
  3. 0x39c9...7deb — Under, $3,993 (69% win rate)
  4. 0xa3b5...941a — Under, $1,000 (85% win rate)
  5. 0x1e3a...9e14 — Under, $476 (74% win rate)
  6. 0xc34b...9296 — Under, $392 (96% win rate)
  7. 0x5811...0976 — Under, $347 (45% win rate)
  8. 0x3a48...e3a8 — Under, $327 (90% win rate)
  9. 0x0dae...72fe — Under, $302
  10. 0x7091...96f8 — Under, $300 (74% win rate)

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Seattle Mariners vs. Boston Red Sox: O/U 8.5

Seattle Mariners vs. Boston Red Sox$20,377 tracked2 signalsSportsGamesMLBbaseball
Over
100¢
Under
0¢

In the upcoming MLB game between the Seattle Mariners and Boston Red Sox, scheduled for September 2 at 4:10 PM ET: This market will resolve to "Over" if the Seattle Mariners and Boston Red Sox combine to score 9 or more runs in this game. If the combined total is less than 9, this market will resolve to "Under". 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, this market will resolve 50-50. To know when a postponed game will be played, please check the home team's schedule on MLB.com for the listed team and look for the game described as a makeup game. 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.

SEA
8
66-74
Final
BOS
3
75-65
SEA +123BOS -149O/U 8.5Polymarket: 100¢
Venue
Fenway Park, Boston
Attendance
33,922

Notable Trades

Seattle Mariners vs. Boston Red Sox: O/U 8.5

2026-09-02 22:11 UTC

$5,000 on Under at 48¢

Seattle Mariners vs. Boston Red Sox: O/U 8.5

2026-09-02 12:10 UTC

$15,377 on Under at 49¢

Related Theses