Resolves YES if Philadelphia Phillies win their MLB game against New York Mets on 2026-09-20, per mlb.com official results. Resolves NO if New York Mets win. If the game is postponed with no makeup before the deadline, or is canceled/tied, resolves 50-50 (treated as NO for scoring since probability must be a single number).
Source: mlb.com official results
GPT 61% · GLM 61% · Market 61% · Claude 58%
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Philadelphia looks meaningfully stronger overall (85-70 vs 71-84), which is the biggest factor. The game is in New York, so home field trims the Phillies’ edge somewhat. Starting pitching also slightly narrows it: Cristopher Sanchez is a solid arm, but the listed Mets starter could add uncertainty if he’s less established rather than clearly weak. With no lineup/injury info, I pull somewhat toward 50% from the raw team-record gap, landing a bit below the sportsbook consensus but still favoring the Phillies clearly.
Phillies (85-70) hold a ~15-win edge over the Mets (71-84); a log5 model on those rates gives roughly 59% before pitching adjustments. Cristopher Sanchez is an established top-of-rotation NL starter, while Jonah Tong is a rookie with limited MLB track record, giving Philadelphia a clear pitching edge worth a few points. Citi Field home advantage offsets some of that (~3-4% to the Mets). Combining team quality (~59%), pitcher edge (+4-5%), and home field (-3-4%) lands near 61%, slightly below the vig-inflated market figure.
Polymarket YES price as of 2026-09-20T13:04:02.370972Z for: Philadelphia Phillies vs. New York Mets
Phillies (85-70) are significantly better than Mets (71-84), a ~14 game difference suggesting clear quality gap. Playing away slightly disadvantages Phillies. Cristopher Sanchez is a solid mid-rotation starter; Jonah Tong appears to be a less established pitcher for the Mets. The record differential strongly favors Philadelphia. Sportsbook implies ~63%, but accounting for away game penalty and uncertainty about current form/injuries, I'll shade slightly below market. The team quality difference is the dominant factor here, supporting a probability meaningfully above 50%.
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