The 2015-16 campaign delivered the ultimate breakthrough for RB Leipzig as Die Roten Bullen clinched a sensational 2nd-place finish in the 2. Bundesliga, securing their historic, first-ever promotion to the top-flight Bundesliga. Under the guidance of sporting director and manager Ralf Rangnick, the team was anchored by the clinical finishing of striker Davie Selke, whose 10 goals proved vital in a campaign built on an exciting, young, and talented squad featuring the likes of Emil Forsberg and Marcel Sabitzer. The season culminated in the joyous 2-0 victory over Karlsruher SC that sealed their top-flight status, marking a landmark year in the club's rapid ascension and a defining, unforgettable chapter in their modern history.