During the Friendly between Fortuna Duesseldorf and Benfica Lisboa the referee gave Javi Garcia from Benfica a Yellow/Red in the 43rd min. after Garcia's second rude foul. That upset Benfica's cpt. Luisao so much, that he charged into the Referee from 20 meters away, knocking him out with a body check..
I wouldn't be surprised if Luisao gets a very long suspension, issued by the UEFA.