Sanchez crashed-and-burned at the tail end of the 2011 season, leading to speculation Cavanaugh would be let go last January. He survived, but he had his fate sealed when Sanchez became an outright liability for the Jets this season.
In other Jets coaching news, ESPNNewYork.com confirmed a report that the Buffalo Bills have requested to speak with Jets defensive coordinator Mike Pettine. The Jets granted permission, the New York Daily News reported. New Bills coach Doug Marrone is building his staff, and Pettine reportedly turned down a contract extension offer from the Jets during the season.