Brazil fall completes South American rout at World Cup. But why this trend?

Argentina and Mexico had relatively old squads in the tournament with the average age being 29.3 and 29.4, respectively

A large number of fans all over the world have been historically divided between Europe and South America ever since the inception of Fifa World Cup. Argentina and Brazil have always been the powerhouse of football with a host of international stars in top leagues of the world. They still possess the individual brilliance with the likes of Lionel Messi, Neymar, Suarez and Cavani.

However, in the quarterfinals of Fifa World Cup 2018, all the South American teams are out.

So what went wrong in this World Cup? Here are some of the reasons:

Age limit

An important characteristic