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.
It was founded by Long Island, New York-based Steve Sigler in the 1980s with 60 members.
He later established the MSBL/MABL World Series and Fall Classic, which take place, respectively in October in Arizona and November in Florida.
There are also two tournaments held over Martin Luther King Jr. weekend in January: the MSBL/MABL Holiday Classic which is held at the Osceola Complex in Kissimmee, Florida, and the Desert Classic which takes place in Palm Springs, California.
Teams generally plays weekly, on Sundays The national organization has 325 local leagues across the U.S.