The Lahman Baseball Database contains individual and team statistics from 1871 to present, and has been available as a free download since 1995.
Current Version Download Info
Download from: http://seanlahman.com/baseball-archive/statistics/
Join the Conversation
There is a well-established Yahoo Group set up to discuss use and maintenance of the baseball database: http://sports.groups.yahoo.com/group/baseball-databank/
Other Baseball Datasets
- Retrosheet – Play-by-play accounts of major league games