Previously: Quarterback; Running Back
The last two position groups I covered are pretty set in stone. J.J. McCarthy would need to do something egregious not to be the starting quarterback. Blake Corum would need to retire from football not to see snaps this season. There’ll be questions about depth and rotation, especially for running backs, but we’re basically good to go. 
Tight end should be similarly set in stone; at least, the featured pass-catcher should be pretty clear to all of us. T…