2017–18 Bundesliga

[9] Dortmund were also the German club involved in the biggest transfer of the summer, selling young French forward Ousmane Dembélé to Barcelona for an initial €105 million.

[10] Meanwhile, reigning champions Bayern Munich prepared for the season by breaking the league's transfer record in their purchase of French midfielder Corentin Tolisso from Lyon for €41.5 million.

[15] In the January 2018 transfer window, Dortmund lost the season's second-top scorer, Gabonese forward Pierre-Emerick Aubameyang, who moved to Arsenal for a €63 million fee.

[17] From December to February, Bayern went on a 10-match winning streak that ended with a goalless draw with Hertha BSC at the Allianz Arena,[18] and managed 13 unbeaten until a 1–2 loss at Leipzig on 18 March.

[21] Bayern won their 27th Bundesliga and 28th German title (6th consecutive) on 7 April 2018, with five games left to play after defeating fellow Bavarian club FC Augsburg 4–1.

[23] On the last matchday, 1899 Hoffenheim beat Dortmund 3–1 to finish ahead of the latter on goal difference at an all-time high third place and securing a spot in the Champions League group stage for the first time in their history.

Robert Lewandowski was the top scorer for the third time, with 29 goals
Four goalkeepers kept 12 clean sheets, among them Sven Ulreich , who played in the fewest matches (29)