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Originally Posted by Mikk  This is the thing though, the officials can't see everything at once just adding more officials are complicating matters and we would probably see more time during free kicks as the referees are trying to spot every little thing. |
It works without any problem in ice hockey. Each official looks for something different. There is a need for a second official in each half in my opinion. Linesmen are obstructed by their view as there is only one for each half. And by allowing a linesman to concentrate solely on offsides and weather the ball crosses the line, it frees up the extra official to look for infringements in and around the box.