A very simple explanation of the zone runs, and the difference between inside zone and outside zone

There is a blog out there run by Chris Brown which does a good job analyzing and explaining different plays, formations and offenses run in football today. One of his most recent entries is in regards to running inside and outside zone. Many fans don't completely understand the difference between them and instead of me having to explain it all I will let him explain to you. He regularly writes for Rivals.com and also the 5th down blog at the New York Times. His website is www.smartfootball.com

A very simple explanation of the zone runs, and the difference between inside zone and outside zone