The 2019–20 FC St. Pauli season is the 109th season in the football club's history and 9th consecutive season in the second division of German football, the 2. Bundesliga and 27th overall. In addition to the domestic league, FC St. Pauli also are participating in this season's edition of the domestic cup, the DFB-Pokal. This is the 57th season for FC St. Pauli in the Millerntor-Stadion, located in St. Pauli, Hamburg, Germany. The season covers a period from 1 July 2019 to 30 June 2020.
The 2020–21 SV Werder Bremen season was the club's 122nd season in existence and the club's 40th consecutive season in the top flight of German football. In addition to the domestic league, SV Werder Bremen participated in this season's edition of the DFB-Pokal. The season covered the period from 7 July 2020 to 30 June 2021.
The 2019–20 1. FC Heidenheim season was the 6th consecutive season in the 2. Bundesliga, the second division of German football, played by 1. FC Heidenheim, a football club based in Heidenheim an der Brenz, Baden-Württemberg, Germany. In addition to the 2. Bundesliga, Heidenheim also participated in the DFB-Pokal. The club played their home matches at the Voith-Arena.
The 2021–22 season was the 123rd season in the existence of SV Werder Bremen and the club's first season in the second division of German football since 1980–81. In addition to the domestic league, Werder Bremen participated in this season's edition of the DFB-Pokal.
The 2021–22 season was the 103rd season in the existence of Hamburger SV and the club's fourth consecutive season in the second division of German football. In addition to the domestic league, Hamburger SV participated in this season's edition of the DFB-Pokal.