(Hint: the defeated team was also relegated at the end of the season, and remained in 2. Bundesliga the next four years.)
A: On Matchday 16 of the 1971/1972 season, FC Bayern München defeated Borussia Dortmund 11-1. Gerd Müller supplied four of the goals. Seven years later, Borussia Dortmund lost 12-0 to Borussia Mönchengladbach.