goalkeeper
A goalkeeper is a position in many sports that defends the goal from the opponent's goal. Sports with goalkeepers include soccer, field hockey, ice hockey, handball, water polo, lacrosse, polo, and bandi. If the goalkeeper is ejected or the substitution is inevitable, the player can not play without the goalkeeper. If the substitute card is left immediately after the goalkeeper is ejected, the field player is replaced with the goalkeeper who is waiting on the substitute list , And if the replacement card is used up, one of the field players shall play the game in place of the goalkeeper. At the 2010 FIFA World Cup, South Africa replaced midfielder with backup goalkeeper after the goalkeeper was ejected against Uruguay in the second leg.