 They contributed the only three-in-a-row title achieving term of club history in 1989–90, 1990–91 and 1991–92 seasons.Most notably, Beşiktaş became the first and to this day only undefeated champion in Turkish League history.The three had taken a part in the squad of historical match against Adana Demirspor, ended 10–0 in favour of Beşiktaş, as the highest margin ever scored in Turkish First League history, on 15 October 1989.