see more

PORTO, PORTUGAL - FEBRUARY 25: Borussia Dortmund's midfielder Julian Weigl with FC Porto's forward Silvestre Varela in action during the UEFA Europa League Round of 32 - Second Leg match between FC Porto and Borussia Dortmund at Estadio do Dragao on February 25, 2015 in Porto, Portugal. (Photo by Gualter Fatia/Getty Images)

PORTO, PORTUGAL - FEBRUARY 25:  Borussia Dortmund's midfielder Julian Weigl with FC Porto's forward Silvestre Varela in action during the UEFA Europa League Round of 32 - Second Leg match between FC Porto and Borussia Dortmund at Estadio do Dragao on February 25, 2015 in Porto, Portugal.  (Photo by Gualter Fatia/Getty Images)