Resolves YES if Philadelphia Phillies win their MLB game against New York Mets on 2026-09-17, 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 55% · Claude 52% · Market 47% · GLM 46%
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Philadelphia is at home and the listed market makes them a modest favorite. But independently, the season records point the other way: the Phillies (84-68) are much stronger than the Mets (69-82). The pitching matchup partially offsets that, since Aaron Nola is a known established starter while Nolan McLean is much less proven, favoring the away side. Home field still matters, but with the substantial team-quality gap and stronger away starter, I make the Phillies only a slight underdog despite venue, landing near 55%.
Phillies (84-68) are significantly better than Mets (69-82), with Aaron Nola as a quality veteran starter vs. Nolan McLean. Despite Mets having home field advantage (which sportsbooks weight heavily at 58%), the 15-game record gap and pitching matchup favor Philadelphia. The sportsbook likely overweights home field here. I estimate Phillies have a slight edge, pulling my estimate to ~52% for Philadelphia winning.
Polymarket YES price as of 2026-09-17T19:40:27.115019Z for: Philadelphia Phillies vs. New York Mets
Phillies are far stronger by record (84-68 vs 69-82); log5 gives them ~59% on neutral ground, ~56% after Mets home advantage. But the pitching matchup reverses much of that: McLean is an elite young starter, while Nola is a declining 33-year-old coming off an injury-wrecked 2025, worth roughly 7-9 points to the Mets. A likely-clinched Philadelphia may also rest regulars. That puts my independent estimate near 47% Phillies; the market's Mets lean (~55% de-vigged) plausibly reflects lineup/motivation info I can't verify, so I shade modestly toward it, landing at ~46%.
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