I think there are two huge differences between this year's team and last year's. First, last year the Trojans' only role was to be a supporting cast to help Rayjon Tucker make it to the pros. This year we do not have that shackle around our ankles.
The other difference is Ruot Monyyong. Not only is he a strong inside game, but he is a legitimate rim protector, which we have not had in a while. Having one of those just makes a huge difference in how a team approaches defense.