Goalkeeper - Wikipedia
https://en.wikipedia.org/wiki/GoalkeeperIn football, each team's goalkeeper (GK) defends their team's goal and has special privileges within the game. The goalkeeper's main job is to stop any penetration of the ball into the goal. The goalkeeper is the only player in the side who may use their hands and arms to catch, throw, and save the ball, but only within their own penalty area. Goalkeepers are required to wear a distinctive c…