The 27 - year - old took some time to settle back into life at Dortmund after a disappointing two - year spell at Manchester United .
He has flourished this term under coach Thomas Tuchel at the forefront of their attacking pyramid .
The 27 - year - old took some time to settle back into life at Dortmund after a disappointing two - year spell at Manchester United , but he has flourished this term under coach Thomas Tuchel at the forefront of their attacking pyramid .