this is what I just found. Ian Rapoport seems to think Jets (no clue why he would want that job)
The Bills are expected to have "strong interest" in Chargers OC Frank Reich as Doug Marrone's head-coaching replacement.
It sounds like Marrone is going to the Jets, who already fulfilled the Rooney Rule by interviewing RBs coach Anthony Lynn for their vacancy. They can hire Marrone as soon as they please. Reich replaced Ken Whisenhunt as the Chargers' offensive coordinator in 2014. He is a former quarterback for the Bills.
Marrone came from Syracuse.