Embedded below is a video compilation of a common defensive tactic used against offenses that run a ball screen motion. Clips have been taken from Loyola-Chicago, Kansas, Southern Miss, and St. Bonaventure.

For more on switching:
-Golden State Warriors switching concepts (LINK)
-X-out switch versus cross screen/down screen option (LINK)
-Celtics “Scram Switch” (LINK)
-Back screen x-switch (LINK)