Carney Chukwuemeka can bring Dortmund 'joy' after 'sensationally good' debut - Niko Kovac
Chukwuemeka was introduced as a 70th minute substitute as Dortmund scored four times in the final 15 minutes.
Chukwuemeka was introduced as a 70th minute substitute as Dortmund scored four times in the final 15 minutes.
