DL because Tuiloma isn't healthy yet and because Langi and Tautu are new to the DL. Also, did any of the DT backups get reps last year?
OLB because (correct me if I'm wrong) Warner is the only one at LB with some experience. The rest is unknown potential.
OL b/c our OL just hasn't been fantastic in the past, not a lot of depth, and no Johnson/Wilcox.