The Oshawa Generals won the J. Ross Robertson Cup, defeating the Sault Ste.
The Platers previously played in the Ontario Provincial Junior A Hockey League since the 1977-78 season.
The club won the 1978 Centennial Cup, defeating the Prince Albert Raiders of the Saskatchewan Junior Hockey League in a four game sweep.
The Belleville Bulls, who played in the OPJHL from 1979-1981, joined the OHL one year earlier, in the 1981-82 season.
The Centennials remained in the Emms Division, and would play out of the North Bay Memorial Gardens.