Goalkeeper- The goalkeeper is the most specialized position in football. The job of a goalkeeper is tho save the soocer ball from crossing the goal line. Goalkeepers are allowed to use their hands inside their penalty area.
	Sweeper- The sweeper is a versitile type of center back. The sweeper "sweeps up" the ball if the opponent beats the defensive line. Unlike the fullbacks. the does not mark a man. the swweper has to be able to read the game and must be able to create counter attacks and have better ball control and passing ability than a typical center back.

Fullbacks-Fullbacks take up the wide defensive positions. There is one on each side of the field and their object is to prevent the oppenent players from getting by and crossing the ball into thre penalty area. Fullbacks usually play man to man and are also expected to get up the field and provide crosses for their team.