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.

Saleh was the 49ers' defensive coordinator in 2017 and 2018. San Francisco's defense struggled in both years, finishing 25th and then 28th in scoring. But the 49ers enjoyed a vast improvement in 2019 (No. 8) en route to the NFC title.

Saleh is back with the 49ers after a four-year stint as head coach of the Jets. He told reporters on Thursday that he had no interest in working for another team as DC. "I hav