‘After analyzing game tape of last season, new Bills defensive coordinator Perry Fewell could sympathize with what predecessor Jerry Gray was up against. “As I looked at it last year, Lawyer was always sitting in the box,” he said. “Looking at it, that’s an eight-man front, maybe they’re going to blitz. Now we’re interchangeable. (Whitner and Simpson) give us flexibility. Both guys can cover. From a look, disguise (standpoint), we’ve gotten better with those additions.”‘