Teams will be penalised for grappling from corners at the World Cup this summer as referees' chief Pierluigi Collina makes a number of major changes ahead of the tournament

Teams will be penalised for grappling from corners at the World Cup this summer as referees' chief Pierluigi Collina makes a number of major changes ahead of the tournament

FIFA refereeing chief Pierluigi Collina wants to clamp down on incidents at the World Cup this summer.

The World Cup gets underway next week and some significant rule changes will be implemented for the tournament which may impact the plans of England and Thomas Tuchel