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
1977 Major League Baseball expansion in the draft. 1977 Major League Baseball expansion The 1977 Major League Baseball expansion resulted in the establishment of expansion franchises in Seattle and Toronto in the American League of Major League Baseball. The Seattle Mariners and Toronto Blue Jays began play in the 1977 Major League Baseball season, becoming the 25th and 26th teams in Major League Baseball. Seattle and Toronto were included in a list of potential expansion cities in a survey conducted by the American League in 1960. The others were Atlanta, Buffalo, Dallas–Fort Worth, Denver, Oakland, and San Diego (all of which received franchises eventually through