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
Triple-A (baseball) Triple-A (baseball) Triple-A (AAA) or Class AAA is the highest level of play in Minor League Baseball in the United States and Mexico. Before 2008, Triple-A leagues also fielded teams in Canada. A total of 30 teams play in the Triple-A International League (IL) and Pacific Coast League (PCL), with 14 teams in the IL and 16 in the PCL. The MLB-independent Mexican League fields 16 teams. Triple-A teams are typically located in large metropolitan areas that do not have Major League Baseball teams, such as San Antonio; Austin; Indianapolis; Columbus; and Nashville. Interleague play between the International League and