During the Kyle Shanahan era, the San Francisco 49ers have had two one-and-done defensive coordinators. Robert Saleh is grateful he’s not one of those defensive coordinators. The 49ers' defensive coordinator is grateful he didn’t suffer the same fate as Steve Wilks and Nick Sorensen: the 49ers ran out of patience.

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. The main difference this time when Saleh returns for a second stint as Niners defensive coordinator following an unsuccessful run as head coach of the New York Jets

Rather than attempt to venture out and try something new, Robert Saleh wanted to repay the loyalty that was shown to him. That is why Saleh accepted the 49ers’ offer to return to the organization nearly four months ago as defensive coordinator.