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Winning Percentage

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Winning Percentage is a statistic used both for teams and for pitchers.

For teams, it is calculated thus: (Games Won) / (Games Played)

For pitchers, the formula: (Wins)/(Wins + Losses)

All Time Leaders -- Pitchers
Span Player Total Notes
Career (minimum 100 wins) Spud Chandler .717 109 wins
Career (minimum 200 wins) Whitey Ford .690 236 wins
Season (qualifier) Johnny Allen .938 1937
Season (no losses) Tom Zachary 1.000 1929, 12-0

[edit] Further Reading

  • John A. Richards: "Probabilities of Victory in Head-to-Head Team Matchups", The Baseball Research Journal, Vol. 43, number 2, Fall 2014, pp. 107-117.
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