RJK - Baseball Almanac

With over 148 baseball teams and yearly statistics since 1871.
http://baseball.rjk.ca

Past Season's Major League Box Scores

An entire MLB season's box scores in an easy to read booklet. Two separate booklets per season for the 1967-1990 seasons.
http://www.boxscores.org

StatsCentral - Major League Baseball Index

Statistics from 1970 through 1998.
http://statsc.freeservers.com/mlb_index.html

Sonny Moore's Computer Power Ratings

Program to predict game outcomes based on team strengths.
http://members.aol.com/powerrater/mlb.htm

Doug's MLB Statistics Home Page

Statistics from 1994 to the present divided by team.
http://home.rmi.net/~doug/

Baseball Boxscores

A directory of historic boxscores.
http://baseball-boxscores.com/

Baseball-Reference.com

Statistics for each player, team, and league in baseball history. Includes batting, pitching and fielding statistics along with leaders, managers, links, books and award winners.
http://www.baseball-reference.com/

Stolen Bases

Standings, statistics, sports news, and equipment, together with math connections.
http://stolenbases.tripod.com/

Graphical History of Baseball

A graphical history of baseball.
http://home.istar.ca/~mbein/baseball.html

Statistics - The Official Site of Major League Baseball

Comprehensive statistics from the official source.
http://www.sportsline.com/u/baseball/mlb/stats.htm

Glosiversity.com - Baseball

Provides a list of commonly used baseball terms with definitions.
http://www.glosiversity.com/subjects/view.php?subject_id=11

FOX Sports: Baseball Statistics

Contains season batting, pitching, and season leader statistics.
http://foxsports.com/stats/mlb_stats_index.adp?categoryId=49