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Prediction market on polymarket_us. This market will settle to Yes if Michael Massey records 4 or more total bases in the Arizona Diamondbacks vs Kansas City Royals MLB game scheduled for 2026-09-07 at 2:10PM ET. Extra innings are included if played. The listed player must be in the starting lineup and record a plate appearance; otherwise, the market will settle to the last fair market price. If the game is delayed, postponed, or suspended and not rescheduled to a date within two days of the originally scheduled date, the market will settle to the last fair market price. Outcome sourced from MLB.
Resolves: 9/21/2026.