A great piece over at SmartFootball.com, one of the best places for X’s and O’s info on football on the net, tracing back the origins of the spread offense, which Chan employs large pieces of….

The basic theory behind the offense is the one that has been adopted by almost all spread teams: count the safeties, identify how many defenders are in the “box” to decide whether to run or pass, and call your bread and butter stuff until defenders get of of position, then when they do hit them with the constraint plays like bubble screens or play-action.

Check out the whole post at SmartFootball.com….