Let all of their defensive free agents leave and replace them with rookies and second-year players. As a result, the 49ers defense might take a step backward before it takes two forward. But last season,

Robert Saleh was a first-time head coach when he joined the New York Jets back in 2021 but the calamity of his tenure left him needing "therapy" in the aftermath.

Robert Saleh once again is tasked with reviving the San Francisco defense following a rough season when the Niners struggled to slow down opposing offenses.