Germany's Christoph Kramer feels his forehead after sustaining an injury during their 2014 World Cup final against Argentina, July 13, 2014.
Kramer_Germany_Concussion.jpg
Germany's Christoph Kramer feels his forehead after sustaining an injury during their 2014 World Cup final against Argentina, July 13, 2014.
Credit:
Kai Pfaffenbach/Reuters