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
Amateur baseball in the United States Amateur Baseball Federation (NABF), PONY baseball, Major League Baseball's Reviving Baseball in Inner Cities (RBI), and at-large teams from USA Baseball (the governing body of amateur baseball). School baseball is played throughout the United States. High schools often have freshman, junior-varsity, and varsity teams. Some middle schools offer baseball programs. In the 2014-15 season, 486,567 boys and 1,203 girls played baseball at the National Federation of State High School Associations. American Legion Baseball is popular with junior-high- and senior-high-school students from ages 13 to 19. American Legion also provides regional, state, and national playoffs. College baseball players, especially professional prospects,