The .500 Division Winner: Baseball's Oldest Floor Is About to Fall
No division winner has ever finished below .500, and the fewest wins any managed is 82. The 2026 AL West champion lands under that 52.4% of the time.
Statistics · Analytics · Data science
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Since the runner on second arrived, 71.4% of extra-inning games end in the 10th, up from 44.8%, and home teams gained nothing. The postseason drops the rule.
No division winner has ever finished below .500, and the fewest wins any managed is 82. The 2026 AL West champion lands under that 52.4% of the time.
September 1-15 is the season's highest-scoring stretch at 8.98 runs a game. From the 16th on it falls to 8.53, below April. Fifteen seasons, and 2026's test.
Clubs 10+ games out on Sept. 1 won 37.8 fewer games than expected across 15 Septembers, a quarter-win each. The real sag comes in August, right after the deadline.
No Game 163: a tied record already has an owner. 16 of 25 race tiebreakers are clinched, 8 against the team ahead, and the Guardians would lose both that matter.
The hottest team in each October field has won 1 of the last 21 World Series. Across 139 postseason series, a hot September is worth about what regression says.
Braves-Phillies have seven head-to-heads left across a 4-game gap. The 2-game AL West has zero. St. Louis cannot touch anyone ahead. September leverage, mapped.