Michigan is in a 4-3 "2 high" look pre-snap... but watch all the action once the ball is snapped by the defense.
Michigan runs a double zone blitz on the right side, the open side of the offense, and basically bring the kitchen sink to the field (or strong side) of the play.
I diagrammed the look below.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiU00xJYWBapsE8lt5unio5Jdu-ksj6lPUITUllqvVWW9sfqfKd98gn9RN-1zA0Kegts8F4FLCHZ61zBzz8umrQ10to_LIADLKY2rWmXqDj3L0HLR21jvoTuFRpD9_DQPBcNSYdw36TklI/s400/Defense_4_3_2_High_Double_Zone_Blitz.jpg)
Some really exotic stuff here by Greg Robinson, Defensive Coordinator at Michigan.
Keep spreading e'm,
Mark
http://www.spreadoffense.tv/