Knowlegehound.com - Baseball
Links to free online how-to guides for coaching, hitting, pitching, catching, and general information.

The Language of Baseball
Dictionary and thesaurus lists over 5,000 baseball terms. Includes vocabulary pages for specific topics such as pitching mechanics and batting statistics.

Steve O's Umpire Resource Page
Offers related links, pictures, tips, and contacts.

Baseball 2day Coaching Journal
Provides free tips, tutorials, strategy, drills, references and product reviews.