Christoph Kramer

Germany defensive midfielder’s face slammed into Ezequiel Garay’s shoulder during Germany’s 1-0 win over Argentina in the 2014 World Cup final. He kept on playing despite asking: ‘ref, is this the final?’

Alvaro Pereira

Uruguayan wing-back took Raheem Sterling’s knee to his forehead and was cleanly knocked out in Uruguay’s 2-1 2014 World Cup group stage win over England, but he overruled team officials to continue playing.

Pablo Zabaleta

Argentinian right-back’s head collided with Dirk Kuyt’s shoulder during Argentina’s 2014 World Cup semi-final win over Holland. Medics put tissue in his mouth to stem the bleeding and sent him back out to play.

Javier Mascherano

Argentinian defensive midfielder went up for a header and clashed heads with Georginhio Wijnaldum during Argentina’s 2014 World Cup semi-final win over Holland, but was left to play on despite being clearly disorientated.

Thibaut Courtois

Arsenal striker Alexis Sanchez ran into the 
Chelsea goalkeeper during their English Premier 
League clash in October last year. Courtois carried on playing despite being concussed.