(1) Q: What is an off-ball screen? 

A: An off-ball screen is any screen that is set for an offensive player who does not have the ball. There are many different types of off-ball screens, but for now we will focus on the basic principles of defending the majority of them.

(2) Q: How do we defend off-ball screens? 

A: In basic terms, the defense can either switch or not switch (stay) on off-ball screens. We will review each situation in the next sections.