The San Francisco 49ers' prospects on defense for the 2025 season already seem a fair bit brighter following the return of Robert Saleh of coordinator, but it will take several reinforcements on the personnel side for this group to return to the ranks of the best in the NFL next season.

Could the San Francisco 49ers bolster their defense around new coordinator Robert Saleh thanks to his New York Jets ties?

Saleh, who was fired in October as the New York Jets head coach five games into his fourth season, generated interest on the head-coaching front and was seen as one of the frontrunners for the Jacksonville Jaguars job. He also interviewed with the Las Vegas Raiders and Dallas Cowboys.

Robert Saleh is heading back to San Francisco. Saleh and the San Francisco 49ers have agreed to a contract for him to return as the team's

New San Francisco 49ers defensive coordinator Robert Saleh gets endorsement from former New York Jets Pro Bowler Sauce Gardner.

The San Francisco 49ers have long established their strong defensive identity, and with Robert Saleh back at the helm

Following his dismissal as head coach of the New York Jets, Robert Saleh has wasted no time finding his next opportunity in the NFL. The former Jets leader has returned to the San Francisco 49ers, where he previously thrived as defensive coordinator.