I have some soccer or (football) questions I would like to know before starting my job coaching a team?

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I just got a job of coaching soccer or (football) and have some questions to ask so I am clear on the rules before I start. Whats the differen betwwen a winger and a right of left midfielder or are they considered the same positions?
During a free kick at goal what is the distance that the wall has to stay from the kicker? Any other info would also help. Thanks. Continue reading