“This is an example of a legal screen, with the screen set directly behind a defensive player. The offensive player setting the back screen, Gary Harris, positions himself behind the back of the defensive player, Maxi Kleber, but the screener does give that defender the required one step of space. This is a legal screen and there is no foul on this play. When setting a screen on a stationary opponent who is out of his field of vision, the screener must give the defensive player one step. “