It definitely looks like we'll see a lot more zone/scooping runs than counters, powers and pulling guards.
Could be to take advantage of a mobile QB via read option, or utilization of RB vision.
In any event, does it seem like every new o-line coach at ND totally changes the blocking scheme? This must be the 3rd or 4th time Cave has had to swtich from power to zone and vice versa.