'The best in the world': Why Brazil's Casemiro is essential to their World Cup hopes

Casemiro, Brazil's midfield anchor, is cementing his status as one of the game's greats. Can he lead his country to its sixth World Cup title?

'The best in the world': Why Brazil's Casemiro is essential to their World Cup hopes
Casemiro, Brazil's midfield anchor, is cementing his status as one of the game's greats. Can he lead his country to its sixth World Cup title?