Bills DC Mike Pettine said it's too early to declare what schematic changes he may implement.
The Jets were widely known as a 3-4 team during Pettine's four-year tenure, but he called that a misconception. "The cornerstone of our system is its flexibility and its multiplicity," Pettine said. "We'll be in 3-4, we'll be in 4-3, we'll be in 46. If you can draw up a front, we'll probably be in it." Under Pettine (and Rex Ryan), New York's defense never ranked lower than eighth in the NFL in yards allowed. Last season, the Bills ranked 22nd.