I'm not too worried about this loss. He wasn't great in coverage, he was a run stopping SS which aren't hard to find. With our DLine, Keek and TD running around our run D is still going to be beastly. We need some DBs that excel in coverage more than anything.
No it's a huge loss. He brought an attitude to the secondary. THAT is hard to replace, but I have faith that in the next 2-3 years we'll find someone.