There is was no question that following Jim Johnson (left) as the Eagles defensive coordinator would be difficult, and the numbers — especially for the last 2 1/2 seasons — have been mediocre, at best.
But one gets the feeling that if they had just gotten to the opposing quarterback a little more often (0 sacks in the last 202 minutes-plus), the Birds would have a win or two more and Juan Castillo would still have a job.
Here are the Eagles' defensive numbers and NFL ranks since Johnson's death (May, 2009):