The White Sox missed expectations by the widest margin in a century

Biggest shortfall between a team's actual and expected Wins Above Replacement (WAR) within a 3-season period, 1902-2021

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Expected wins were based on a team's WAR and average age, among batters and pitchers. All WAR numbers were prorated to 162 team games within a season.

Chart: Neil PaineSource: Baseball-Reference, FanGraphsCreated with Datawrapper