1976-77 the Collingwood Blues also joined the league but three other teams dropped out, reducing the number of clubs to four. The Niagara Falls Flyers folded to make way for a new OHL franchise in that city, the Welland Sabres also folded and Chatham returned to Junior B. After the 1977 playoffs, the league folded and the Platers and A's were invited to join the OPJHL. The Greys went on hiatus for one season and then moved up to the Major Intermediate A Hockey League. Collingwood returned to Junior B. The Guelph Platers joined the OHL in 1982 and are now known as the Owen Sound Attack. Teams Jack Oakes Memorial Trophy Playoff Champions Western Junior "B" Champions 1968 Sarnia Legionnaires 1967 St. Thomas Barons 1966 Sarnia Legionnaires 1965 London Nationals 1964 London Nationals 1963 St. Marys Lincolns 1962 St. Thomas Barons 1961 St. Marys Lincolns 1960 St. Marys Lincolns 1959 Sarnia Legionnaires 1958 Sarnia Legionnaires 1957 Sarnia Legionnaires 1956 Simcoe Gunners 1955 Seaforth Baldwins 1954 Seaforth Baldwins 1953 Seaforth Baldwins 1952 London Lou Ball 1951 Sarnia Jr. Sailors Eastern Centennial Cup semi-final champions Centennial Cup champions See also Ontario Hockey Association Ontario Hockey League Ontario Provincial Junior A Hockey League Centennial Cup Dudley Hewitt Cup List of ice hockey leagues References External links OHA Hockey Defunct ice hockey leagues in Ontario Ontario Provincial Junior A Hockey League Sports leagues established in 1950 1950 establishments in Ontario 1977 disestablishments in Ontario