Any news on OC and DC candidates?

Was wondering if anybody has any info on any potential candidates or if it's too early to tell. According to local gossip, it sounds like Nystrom was a little miffed at not getting promoted to DC, and is "exploring other options". I also heard that Perles received a substandard grade for his OC performance at season's end. Don't know how much to read into that but you have to wonder. IMO, it sounds almost like Bohl is doing a little "housecleaning". Hmmmmmm................well here's hoping that Bohl can find some quality people to take over for these guys. Seems like we've been able to reload after each year of coaching attrition and I hope that continues.