‘The hiring of Mularkey could also have an impact on the Bills defense, as it’s expected Bills Assistant Head Coach Dick LeBeau would remain on the Bills staff. LeBeau was in Pittsburgh Tuesday talking with Steelers coach Bill Cowher about the Steelers defensive coordinators position. Currently, Jerry Gray remains the Bills defensive coordinator, although there is speculation he’ll join former Bills coach Gregg Williams in Washington once it’s official Gray didn’t land the Bills head coaching job.’