Notre Dame's base defense: 3-4 or 4-3?

[Justin7]

I got called out by a couple people who responded to my video.

I said ND was running a base 4-3 versus Stanford. Looks like a 4-3, quacks like a 4-3... But is it really a 3-4 hybrid in disguise?

[Kingctb27]

Looked like a 4-3 when they played Michigan.... Sure they will be on once again today and we will find out.