Agreed. The grown men we have inside on d line are the key to this teams success imo.
Nesta is a solid player but that high school eval was always a bit out there for me given his size and tools.
The o line will be marginally better. The only way I see a dramatic leap is if Donaldson plays himself into a 1st 3 round draft pick. If not, expect the same. Getting manhandled upfront by legit fronts and scheme