Sports databases

BoxRec or boxrec.com is a website based in Doncaster, England, which compiles updated records of professional and amateur boxers, both male and female. It also maintains a MediaWiki-based encyclopedia of boxing. Though historical data may be incomplete for some boxers, it remains the most comprehensive database of previous professional fights.

Sherdog is an American website devoted to the sport of mixed martial arts (MMA). It also has many forums and discussion pages on the many topics of MMA like records, promotions, etc. The site is a member of the CraveOnline network and provides MMA related content for ESPN.com.

Baseball statistics website

CricketArchive is a sports website that provides a comprehensive archive of records and data for the game of cricket. It was founded in 2003 by Philip Bailey and Peter Griffiths.