Contains information on baseball umpiring and officiating.

Major League Baseball rules, interpertations, questions and answers, newsletter, do's and don't on the playing field

Provide information for Canadian young old boys girls teenagers adult guys gals umpires to gain more experience on the baseball fields through work in the United States.

Seeks to create a fun environment for baseball umpires, players, coaches and fans to enhance their understanding of the rules of the game. Offers online quiz, along with rules/officiating resources.

Provides a myriad of baseball rules and regulations, FAQs, umpiring tips, myths and links. Gathered by a certified Little League umpire and former Chief Umpire for California District 3.

Complete rules of major league baseball, with diagrams and glossary.

Offers baseball rules and officiating videotapes. Features online shopping and video previews.

Official site includes affiliated members links, news, calendar, tournaments, and World Series coverage.

Amateur baseball umpiring clinic for high school and youth league umpires. Listing of contacts and schedule.