Manitoba-Saskatchewan was an Independent League and a Senior League, it started as Western Manitboa in 1949 then Northern Senior League in 1950
1949 Bowsman, Mb, Dauphin Mb, Gilbert Plains Mb, Grandview Mb, Neepawa Mb
1950 Roblin Mb enter the league and Bowsman has left the league.
1951 Kamsasck Sk and Yorktown Sk enter the league and Grandview and Neepawa has left the league.
1952 Grandview Mb enter the league.
1953 Bowsmans Mb enter the league.
1954 No teams enter or left the league.