Happy 10th birthday to the SABR/Baseball-Reference Encyclopedia. Thanks to all those who have contributed and welcome to any who wish to contribute.
From BR Bullpen
For teams, it is calculated thus: (Games Won) / (Games Played)
|All Time Leaders -- Pitchers|
|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|
 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.