In 2013, the journey of Die Roten Bullen into the upper echelons of German football commenced with their promotion to the 2. Bundesliga. However, the groundwork for this remarkable ascent was laid in the Regionalliga, where RB Leipzig not only showcased impressive performances but also made strategic decisions that set the stage for a successful future.

With the takeover of the club by Red Bull GmbH in 2009, the team gained not just financial stability but also a clear vision. The focus was on developing young talents and creating a dynamic playing style that excited fans. In the 2012/13 Regionalliga season, this philosophy was implemented in spectacular fashion. Under coach Alexander Zorniger, the team delivered a performance that not only led to the championship title but also laid the foundation for promotion to the 2. Bundesliga.

A key match during this season was the showdown against 1. FC Köln, a direct competitor for promotion spots. The atmosphere in the stadium was electric, and Die Roten Bullen showcased an impressive team performance that not only secured points but also bolstered their confidence. This encounter highlighted the importance of fan support, which has always been the backbone of the club.

The Regionalliga was not just a challenge for RB Leipzig; it was also a platform to establish themselves as a serious contender in German football. The combination of talented players, strategic decisions, and passionate fans led to Die Roten Bullen not only dominating the league but also paving the way for a successful future. Thus, the promotion to the 2. Bundesliga was not merely an objective but the result of thoughtful planning and hard work.

Today, as we reflect on this period, we recognize that the rise from the Regionalliga to the 2. Bundesliga was more than just a sporting success. It marked the beginning of a new era for RB Leipzig, laying the groundwork for subsequent achievements and establishing the club in the Bundesliga. This phase remains an important part of the club's history and a constant reminder of how quickly things can change in football when the right decisions are made.