Clayton's mailbag: The failure rate is high for coordinators who land head-coaching jobs.
John Clayton takes a look at 10 candidates for the now-vacant Texans' head coaching position.
Experienced coaches like Tom Coughlin and Dennis Green could be in high demand.
The pool of qualified head-coaching candidates isn't nearly as deep as usual, John Clayton writes in his latest mailbag.
In a pass-happy NFL, a successful Cover 2 defense is becoming tougher to sustain, writes John Clayton in his latest mailbag.