Fuller This is a companion piece to last week's refresher on inside zone, Michigan's new base play. Outside Zone, also known as the Zone Stretch, is one of two very common complementary plays to IZ, because the technique for the offense isn't very different, but the way the defense has to defend it is (the other complementary play is Power-O, Michigan's extremely nominal base play the last few years). OZ Resources: Smart Football, Roll Bama Roll, FishDuck (Oregon), BTSC (Steelers) Mile High Report (Denver Broncos), how to Mike. Outside Zone Defined The difference, as made obvious by the name, is the point of attack. Inside Zone blocks "downhill"; the running back aims for the first line defender past the center, and picks a lane to either side of the guards. In Outside Zone the back is running to a point outside the five linemen. Some coaches say run to the back of your tight end, others say run to the end man on the line of scrimmage (EMLOS); it comes to