With 13 goals in 16 games, not player has scored more opening day goals than Klaus Fischer.
Former Leverkusen and Union Berlin coach Sascha Lewandowski died suddenly on Thursday.
Simon Terodde scored a hat-trick as VfL Bochum 1848 ended their campaign with a comfortable 4-2 win away to 1. FC Heidenheim 1846.
Eintracht Braunschweig narrowed the gap on fifth-placed VfL Bochum with an entertaining 3-2 win at the rewirpowerSTADION.
1. FC Union Berlin struck late to beat VfL Bochum 1-0 and extend their winning streak to seven at Alte Försterei.
Simon Terodde scored his 20th goal of the Bundesliga 2 season, but VfL Bochum 1848 were held to a 1-1 draw by Karlsruher SC on Matchday 31.
FC St. Pauli kept their faint promotion prospects alive with a hard-fought - but ultimately comfortable - 2-0 home win over a VfL Bochum 1848 side that had harboured hopes of challenging for third place themselves.
FSV Frankfurt 1899 are not safe yet after falling to a crushing 4-1 defeat away to VfL Bochum 1848.
Promotion-chasing RB Leipzig returned to the top of Bundesliga 2 on Saturday following a 3-1 home win over VfL Bochum.
Nando Rafael scored a late equaliser as VfL Bochum and Greuther Fürth drew 2-2 on Sunday.