49ers promote Nick Sorensen as new defensive coordinator to restore dominant performance.

49ers' new defensive coordinator Nick Sorensen aims to restore the team's dominant defensive performance, taking over from one-season coordinator Steve Wilks. Sorensen, promoted internally, emphasizes a fast, violent, and finishing approach, inspired by the franchise's "standard" of play. Sorensen has experience in the 49ers' defensive scheme, and is determined to return the team to its previous dominance.