 Within a few years after the return of peace, both interprovincial unions had turned openly professional.However, while the Big Four champion got an automatic berth to the Grey Cup final, until 1954 the WIFU's champion had to play in a semi-final against the champion of the Ontario Rugby Football Union (ORFU)–by then, the only amateur union still competing for the Grey Cup.The ORFU withdrew from Grey Cup competition after the 1953 season, and the WIFU champion was given an automatic berth in the Grey Cup final.