DORTMUND, GERMANY - FEBRUARY 18: Shinji Kagawa of Borussia Dortmund gets challenged by Sergio Oliveira of FC Porto in an aerial duel during the UEFA Europa League Round of 32: First Leg match between Borussia Dortmund and FC Porto at Signal Iduna Park on February 18, 2016 in Dortmund, Germany. (Photo by Alexandre Simoes/Borussia Dortmund via Getty Images)
