1978 Japan Soccer LeagueStatistics of Japan Soccer League for the 1978 season.First DivisionBy winning the 1978 Emperor's Cup and 1978 Japan Soccer League Cup along with the title, Mitsubishi completed the first Japanese treble ever.Promotion/relegation SeriesNissan promoted, Fujitsu relegated.Second DivisionPromotion/relegation SeriesYamaha promoted, Kyoto Shiko relegated.