Kyle Shanahan is changing out 49ers defensive coordinators for the fourth time in five years. Nick Sorensen, like his immediate predecessor Steve Wilks, won’t return to that role after one season in it,

The Athletic’s Matt Barrows on Tuesday reported the 49ers fired defensive coordinator Nick Sorensen after one season. It’s the second time in as many offseasons San Francisco has parted ways with a defensive coordinator. More to come…

The 49ers removed Nick Sorensen from his role as defensive coordinator Tuesday night but hope to retain him in a different post, a source said.