The San Francisco 49ers are on the search for a defensive coordinator once again after firing Nick Sorensen following just one season in that role.

The San Francisco 49ers could bring back a former defensive coordinator who knows the team well, with the goal of helping veterans like Nick Bosa and others in the 2025 season. The San Francisco 49ers definitely need a boost on defense.

When the ball dropped in 2024, the San Francisco 49ers were amongst the NFL's elite and primed for a deep postseason run. A month later, they blew a second-half lead to the Chiefs in the Super Bowl, watching as their opponents from Kansas City celebrated another championship. By the end of 2024, the Niners were the ones that dropped the ball.

While Kyle Shanahan promoted Klay Kubiak to San Francisco 49ers offensive coordinator earlier this week, the NFL requires all teams to interview at least two external minority candidates.

Jonathan Jones of CBS Sports reports that the 49ers will need to conduct an open search for their offensive coordinator position, even though HC Kyle Shanahan

Bad news for Kyle Shanahan, who had planned to name Klay Kubiak as OC for the upcoming NFL season. It appears a rule prevents him from receiving that kind of promotion. Kyle Shanahan is doing everything he can to ensure the San Francisco 49ers have a successful 2025 season.