Dortmund forward Jamie Bynoe-Gittens admits to being emotional following his return from injury for his side over the weekend.
Dortmund midfielder Marco Reus is still dealing with an injury and is likely to miss the match against Mainz on Wednesday.
Borussia Dortmund striker Sebastien Haller made a return to Bundesliga action in victory over Augsburg.
Young Borussia Dortmund forward Youssoufa Moukoko has reportedly decided to extend his contract.
Borussia Dortmund captain Marco Reus is reluctant to reveal his thoughts regarding his future at the Bundesliga club as he weighs up other possibilities.
Borussia Dortmund legend Roman Weidenfeller believes the club did a very smart bit of business by bringing in goalkeeper Gregor Kobel.