Hertha Berlin stay fourth in the Bundesliga after securing a narrow 1-0 win over Hoffenheim.
Wolfsburg slipped 13 points behind Bundesliga leaders Bayern Munich as they were beaten 2-0 at Mainz on Saturday.
Borussia Dortmund and Wolfsburg both made inroads into Bayern Munich's advantage at the top of the Bundesliga with wins on Saturday.
Hoffenheim have appointed 28-year-old Julian Nagelsmann as manager from next season, but who is the Bundesliga's youngest-ever boss?
Hoffenheim have sacked coach Markus Gisdol and named veteran Huub Stevens as his successor.
Bayern Munich set a Bundesliga record for the best start to a season with their ninth consecutive victory, a 1-0 win over Werder Bremen.
Hertha Berlin and Ingolstadt took advantage of a slip by Wolfsburg to move into the top five of the Bundesliga on Saturday.
Robert Lewandowski carved his name in history with a double for Bayern Munich, while Schalke drew level with Dortmund.
Dortmund lost ground on Bayern Munich at the top of the Bundesliga on as they dropped points for the first time this season.
Schalke and Werder Bremen made moves up the Bundesliga on Sunday with wins over Mainz and Hoffenheim, respectively.
Thomas Muller struck twice as Bayern Munich beat Bayer Leverkusen 3-0 in the Bundesliga on Saturday, as Eintracht Frankfurt thrashed Stuttgart 4-1.
Robert Lewandowski's late goal earned 10-man Bayern Munich a 2-1 victory over Hoffenheim.
Hoffenheim's Kevin Volland scored against Bayern Munich after just nine seconds on Saturday.
Hamburg have reached an agreement for the transfer of striker Sven Schipplock from Hoffenheim.
Roberto Firmino has proved himself to be a ‘special player’, according to his former club Hoffenheim's chief scout.
Bayern Munich will host Hamburg on the opening weekend when the 53rd Bundesliga season gets under way on August 14.
Liverpool have completed the signing of Brazil forward Roberto Firmino from Hoffenheim in a £21.3m deal.
Hoffenheim forward Roberto Firmino will move to England next season, according to his agent.
Brazilian playmaker Roberto Firmino will leave Bundesliga side Hoffenheim for a fee of £21.6m, according to Sky sources.
Hoffenheim ended the season with a 2-1 victory over Hertha Berlin.