DORTMUND, GERMANY - OCTOBER 29: Referee Felix Brych breaks up a discussion betweenSokratis Papastathopoulos of Dortmund and Franco Di Santo of Schalke during the Bundesliga match between Borussia Dortmund and FC Schalke 04 at Signal Iduna Park on October 29, 2016 in Dortmund, Germany. (Photo by Stuart Franklin/Bongarts/Getty Images)
