This video is an interview with Coach Nick from bballbreakdown.com Virginia Tech Coach Buzz Williams on his thoughts on defending pick and roll.
The video is a You Tube video so make sure that you are on a server that allows You Tube access.
He believes in icing side pick and rolls so that they do not need to rotate a 3rd defender to the pick and roll.
Coach Williams believes in keeping his coverage simple as opposed to adjusting for personnel.
You do need to know and practice several type of coverage to go against in practice so that you are working against what other teams will throw at you.
Make sure your sound is on.