'First preseason games present their own sets of challenges. By nature, they're sloppy, with an over-inflated roster loaded with players who not only won't be playing with the Bills, but nowhere else in the NFL after their release. So if the more disciplined and highly structured approach of the new coach is able to show up Thursday night, that will be a reasonably strong sign that the Bills will operate with with a level of efficiency that they didn't have in enough of their games last season. Especially on defense.'