Concerns have been raised over concussion rules and the welfare of players at the World Cup following England’s 6-2 victory over Iran in their Group B opener on Monday.
Iran goalkeeper Alireza Beiranvand was down for 10 minutes during the early stages of the first half following a clash of heads with a teammate, while Harry Maguire was also involved in a nervy incident, with questions raised as to why both players were allowed to carry on momentarily before being substituted off.
Here is all you need to know about the concussion rules for players at the World Cup, including when they are allowed to carry on and when they need to be taken off.
