South Jersey Senior Baseball League (MSBL) is the premier adult baseball league in the South Jersey and Philadelphia areas. Our divisions offer wood bat play at the following age groups: 18+/ 25+/35+/45+/55+. All of our Spring teams generally play a Sunday schedule but we also offer a summer weeknight league. South Jersey MSBL is affiliated with the national Men's Senior Baseball League (MSBL) and the Men's Adult Baseball League (MABL).

Men’s Senior Baseball League (MSBL)/Men’s Adult Baseball League (MABL) is the premier amateur baseball league for adults 18 years of age and older. Founded in 1988, it is the fastest-growing adult baseball organization in the country. The league has 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