Baseball
About-Baseball.org - http://about-baseball.org/
Baseball information portal with continuously updated baseball news, rumors, blogs and more.
Baseball.mu - http://www.baseball.mu/
Learn about baseball and it's history, including many aspects such as baseball cards, apparel, and equipment.
Confederation of European Baseball - http://www.baseballeurope.com/
Establishes the specifications for equipment and facilities, and all internal executive regulations that must be applied to all international competitions.