Ankles aren't supposed to bend that way.
The Club World Cup clash between Barcelona and Guangzhou Evergrande was marred when one of the Chinese side's defenders suffered a horrific leg break.
Zou Zheng collapsed to the turf in a heap after landing awkwardly following a challenge made by Dani Alves.
The Brazilian gave his opponent a light shove in the back while contesting for the ball, giving away a free-kick.As Zhou fell towards the ground, his foot slipped under his leg and snapped back the wrong way as he connected with the floor.
Barcelona ran out 3-0 winners on the night, thanks to a hat-trick from Luis Suarez.
