Focusing on the intersection of personal history and the national pastime, BaseballMemoryLab.com spotlights two aspects of baseball history -- the origins and evolution of the game, and fan-submitted memories and recollections. More >
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Year in Review
MLB.com takes a look back at the season that was, with multimedia, team coverage, special features and the major events that highlighted each campaign.
This Day in Baseball History
February 9, 1920 > Baseball announces a rule change banning all "freak deliveries" by pitchers. The new rule outlaws pitchers from using grease, saliva, sandpaper, and other foreign substances on baseballs, except for 17 known "spitball" pitchers. They will be allowed to use the outlawed substances until their careers come to an end.