The substitution controller is also usually the reserve assistant referee.
Or that's what they thought until they realised that the assistant referee had her flag up.
The referee is advised by a doctor and assistant referee who sit ringside.
The brawl led to a player losing consciousness and an assistant referee suffering a back injury after being hit with debris.
He publicly apologized to the assistant referee and received a five-match ban and a 12,500 fine.
In situations where an assistant referee is unable to continue, the fourth official replaces that assistant referee.
A referee may also delegate this responsibility to an assistant referee.
An assistant referee may also be called upon by the referee to provide an opinion regarding matters which the referee requires clarification on.
