The arms go up in the air and holding on to both sides of the flag, it is hung above the head of the referee's assistant. Not the sort of signal you want to see if 30 seconds before you've just blazed ...

Other match officials (two assistant ... must advise the referee and other match officials of any report being made. The 'on-field' match officials assist the referee with inspecting the field of play ...

So what are these signals? Well you don't need a degree in semaphore to understand what they all mean. Here is our guide to the referee assistant signals. When the whole of the ball crosses the line, ...