One way to counter all the offensive power is to definitely bulk up the defensive line. Belichick was pretty positive talking about Latu, and he knows defensive players better than probably all of the other analysts out there. A monster defensive lineman can really make a difference, just ask Joe Burrow after his Super Bowl loss.
The neck stuff concerns me a bit. But, I'm pulling for this kid, and hope he has a long, healthy and productive career with us.