On This Day: December 10
Posted on by Baseballia
1919
The NL votes to ban the spitball’s use by all new pitchers. Following the 1920 season, the spitball will be banned in both leagues, except for existing spitballers who were grandfathered in and allowed to keep throwing the pitch legally until they retired. Seventeen existing spitballers were granted this exemption. Burleigh Grimes lasted the longest, retiring in 1934.
