Three plus Westry seems realistic and is still a situation where I don't think we need to draft a starter. A corner (or two) in round four seems about right.
Ideally I'm thinking (roughly):
1: DL/OT
2: OT/DL
3: DL, S
4: CB, OL, MLB, DL
But like rmcjacket says, you can't pigeonhole yourself and...