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Prediction market on polymarket. In the upcoming MLB game between the New York Mets and Washington Nationals, scheduled for September 27 at 1:05 PM ET: This market will resolve to "Over" if Marcus Semien records more than 2.5 RBIs during the game. This market will resolve to "Under" if Marcus Semien records less than 2.5 RBIs during the game. The entire game including all extra innings will be considered. If the player is listed as inactive or otherwise does not take the field at any point, the 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.
Resolves: 9/27/2026.