 Mill scored the only Mönchengladbach goal in normal time in that match.Later that summer he participated in the 1984 Summer Olympics and was still Borussia Mönchengladbach's best striker when fellow Bundesliga side Borussia Dortmund persuaded him to switch over to them at the end of the 1985–86 Bundesliga season.As Mönchengladbach was receiving adequate compensation (1.3 million DM) for his services, a transfer was worked out.