Chats and Forums

Addict Sports
Includes forums for general and in-depth baseball topics including history and trivia.
http://www.addictsports.com/baseball/

Baseball Fever
Baseball trivia, history and current events are discussed by fans of the national pastime.
http://www.baseball-fever.com/

Baseball Forum
Covers recent news events, fantasy baseball and specific team discussion.
http://www.baseballforum.com/

FanHome - Baseball
Message board community focusing on Major League Baseball with team forums, general baseball discussions, chat and social networking options.
http://www.fanhome.com/forums/3_baseball

MSN Groups: Baseball Forum
Interactive message boards, chat room, mailing list, photographs and other general information.
http://groups.msn.com/baseballforum/

Strike 3
Team discussion as well as vocalization concerning fantasy baseball, the minor leagues and current news.
http://strike3forums.com/forums/

We're Talking Major League Baseball
Forums for each team (membership required to view and participate).
http://damnitmike.proboards10.com/