Added time

[bester]

Futsal solves this problem by having a stop clock, and a time limit to get the ball back in play.

 

[Trip]

Futsal solves this problem by having a stop clock, and a time limit to get the ball back in play.

Who operates the stop clock?

 

[bester]

Who operates the stop clock?

A time keeper who may also be doubling as 3rd referee (essentially equivalent to a 4th official) depending on the level.
At the lowest levels it'll be a club official.