Men's Senior Baseball League Men's Senior Baseball League The Men’s Senior Baseball League (MSBL)/Men’s Adult Baseball League (MABL) is a national organization in the United States, with 325 local affiliates, 3,200 teams, and 45,000 members who play organized amateur baseball in local leagues, 30 regional tournaments and six national tournaments. The Men’s Senior Baseball League (MSBL)/Men’s Adult Baseball League (MABL) is an amateur baseball league for adults 18 years of age and older was founded by Steve Sigler in 1988. Soon after, Steve established the MSBL/MABL World Series and Fall Classic which take place every October/November in Arizona and Florida, respectively, playing on almost
Eastern League (Japanese baseball) Eagles were formed to join NPB, and their farm team became part of the Eastern League as well. The league currently contains the minor league affiliates of seven Japanese professional teams. With a few exceptions, Eastern League teams currently carry the same name, and use the same uniforms, as their parent team. Current teams (minor league homefield shown in parentheses): Eastern League (Japanese baseball) The is one of the two minor leagues ("ni-gun") of Japanese professional baseball. The league is owned and managed by the Central League of Nippon Professional Baseball (NPB). Teams in the Eastern League generally play an