Vrabel did more than that. He figured out how to defend the Bills, with an outstanding QB, excellent RB, above average O line, and mediocre receivers. Josh hasn't had the opportunity to run, and when he has taken off, he's been hesitant. He doesn't have quite as much time to pass as he had last year. Vrabel attacked Josh and the O line couldn't hold up. But the biggest problem is that the scheme that Vrable used, and which everyone else will copy until the Bills beat it, worked.