From head stamp to kung-fu kick... Six of the worst fouls & tackles of all time

If you're squeamish, look away now.

Leg-breaking lunges, two-footed tackles, stamps, kung-fu kicks and flying elbows - this one definitely isn't for the faint-hearted.

Nigel de Jong on Xabi Alonso Spain vs Netherlands, World Cup Final, 2010

"It was one of the worst tackles I have ever suffered," said Alonso after De Jong's kung-fu kick to the chest in the 2010 World Cup Final between Spain and the Netherlands.

Martin Taylor on Eduardo Birmingham vs Arsenal, 2008

Taylor received death threats after this tackle on Eduardo, which left the Brazil-born Croatian with a broken leg. He's always maintained it wasn't malicious.

Ryan Shawcross on Aaron Ramsey Stoke vs Arsenal, 2010

Shawcross' mistimed tackle on Ramsey left the Arsenal midfielder out of the game for a year after he suffered a double leg break. The Stoke defender was visibly shaken afterwards.

Andoni Goikoetxea on Maradona Barcelona vs Athletic Bilbao, 1983

This studs' up challenge earned Goikoetxea his 'Butcher of Bilbao' nickname. It left the Argentinian with a severely damaged ankle.

Lee Bowyer on Gerardo Leeds vs Malaga, 2002

An act of serious assault," is how UEFA described Bowyer's stamp on Gerardo. The midfielder was later handed six-match ban.

Roy Keane on Alf-Inge Haaland Manchester United vs Manchester City, 2001

Keane said in his autobiography that he had sought out Haaland, accusing the player of standing over over him when he injured his cruciate ligaments a few years earlier.