Here is our guide to the referee assistant signals. When the whole of the ball crosses the line, it's time for a throw-in. The assistant referee will hold up the flag in the direction that the team ...

Assistants carry a flag to signal their decisions for fouls, offside or when the ball is out of play. The official in the middle signals with their whistle and arms. In the Bundesliga, referees ...

If the manager decides it's time to change the team then this is the signal you'll see on the touchline. The arms go up in the air and holding on to both sides of the flag, it is hung above the head ...