A goal may be a scored directly from a goal keeper punt.
The goal keeper is always considered a defender, if he is in or out of the penalty area.
most of the time when a goal keeper takes the penalty shot but sometimes when the goal keeper of the other team is so much above his field or area the goal keeper may kick the ball from goal to the other goal.
If the goal keeper's team has substitutions remaining, then another goal keeper may replace them. If not, then a field player must be nominated to become the new goal keeper.
The goalkeeper prevents the opposite team from scoring a goal.
The laws do not prevent a goal from being scored from a goal keeper's throw.In practice no goal keeper can throw it that far, so there are no known examples.
No they can't there has to be a goal keeper, if a keeper gets sent off and their are no subs left to bring a keeper from the bench then one of the outfield players have to act as goal keeper instead
Soccer goal posts are not supposed to be square, it's too dangerous for the goal keeper. They are supposed to be round.
The goalkeeper for Spain at the 2010 world cup was Iker Casilas, he was also Spains captain.