Sabermetrics

» Baseball Prospectus Online
   In-depth columns, prospect interviews, transaction analysis, and player cards containing Baseball Prospectus's Davenport Translations. Metrics for evaluating hitters, starters, and relievers updated daily; four to ten columns presented free of charge on
   http://www.baseballprospectus.com

» Voros' Baseball Analysis
   Contains many archived sabermetric studies, including seminal work on defense-independent pitching statistics.
   http://www.baseballthinkfactory.org/mccracken/

» Baseball Graphs
   Gain clearer intuition about baseball by using innovative ways to visualize baseball statistics.

   
   http://www.baseballgraphs.com/main/index.php/site/

» High Boskage House Baseball Analysis Web Site
   Statistics are updated daily. Comparisons by position, league, and historical data. Articles on theory and physics can also be found here.

   
   http://highboskage.com/

» RIOT -- Major League Baseball Playoff Races
   UC-Berkeley's Industrial Engineering and Operations Research department has created their own daily calculation metric for analyzing team record performance based on historical data. Results include the number of wins needed to date to guarantee a first-

   
   http://riot.ieor.berkeley.edu/~baseball/

» Red Sox Stats
   Calculations for the Red Sox organization. Also statistics for all MLB players.

   
   http://www.redsoxstats.com/

» SABR/Bob Davids Chapter
   Regional SABR chapter covering major and minor league baseball teams in the Mid-Atlantic area.

   
   http://www.sabrdc.org/

» Society for American Baseball Research (SABR)
   Research information, SABR on-line bookstore, on-line membership application, bulletin board comments page, and baseball links.

   
   http://www.sabr.org/

» Society for American Baseball Research (SABR) UK
   An archive of research articles and illustrations and information on how to join the UK chapter of SABR.

   
   http://www.sabruk.org/

» Tango On Baseball
   A collection of various research about linear weights, runs, and wins.

   
   http://www.tangotiger.net/

» The Baseball Think Factory
   The baseball braintrust gets together to create this site. Player comparisons, and statistical information kept current. Articles from the baseball minds are thorough and informative.

   
   http://www.baseballthinkfactory.org/btf/

» The Baseball Analysts
   Rich Lederer and Bryan Smith contribute daily to this part-weblog, part-science project, keeping you up to date with the days statistics of interest.

   
   http://baseballanalysts.com/

» The Hardball Times
   This baseball digest gives daily doses of analytical observations from the game of baseball.

   
   http://www.hardballtimes.com/