Jay Clayton has never been a prosecutor.
What he has been is a lawyer representing Deutche Bank. One of Trump's largest lenders and the subject of SDNY investigations involving Trump.
In response Berman (a Trump appointee himself by the way who nonetheless has actually been prosecuting people in Trump world for their crimes no doubt royally pissing off Trump and Barr) responded with this:
https://www.businessinsider.com/geoffre ... ces-2020-6
Manhattan US attorney says he has 'no intention' of resigning after AG Barr tried to force him out, adds that investigations will continue 'without fear
or favor'
...
“I learned in a press release from the Attorney General tonight that I was ‘stepping down’ as United States Attorney. I have not resigned, and have no intention of resigning, my position. I will step down when a presidentially appointed nominee is confirmed by the Senate. Until then, our investigations will move forward without delay or interruption."