Canada, United States, Baseball for the Middle Aged Jock, Qu'Appelle Valley Baseball League
Vintage, Appleton Legends, Baltimore Stars, Bayside Thunder, Bayside Vipers, Berwick City Cougars, Boston Orioles, Calboyz Baseball, Central Jersey Hawks, Chicago Gators, Chilliwack Storm
Fan Sites, Leagues, Teams, Tournaments, The Wiffle Ball, Inc., The Wiffleball Pitch Archive, Wiffle Pro, Wiffleball Network
American Amateur Baseball Congress
Coordinates play among US leagues in seven age brackets, from sub-teens through adults. Includes rules, tournament dates, and list of regions and age divisions.
American Amateur Baseball Congress of Oklahoma
Features information on the organization including bylaws, links, officers, as well as state, regional, and world series tournament information.
National Adult Baseball Association
NABA amateur baseball organization information, including tournament results, events and how to join.
Over 50 Baseball
Promoting an affordable week-long fantasy-camp type fun tournament in Las Vegas each October. Also promoting the establishment of local leagues nationwide.
Roy Hobbs Adult Baseball
Amateur baseball organization for adults over the age of 28.
Team One Baseball
Scouts baseball's high school, college and minor league players and compiles information on the annual Baseball Draft.
Ventura National Adult Baseball Association
League guide to teams for people age 18 and older. Features information on team play, current standings, newsletter, and game schedules for amateur organization.