NFL insider notebook:

Last week I took a good, long look at the top GM candidates for this year's cycle.
This week ... you guessed it ... it'll be head coaches, offensive coordinators and defensive coordinators. I enlisted a similar set of coaches, executives, agents and league sources in an anonymous polling over this past week-plus to cultivate the best list I could.
There could always be surprises, but it doesn't feel like there's going to be a ton of head-coaching turnover this season. The Raiders and Jaguars will obviously have new head coaches.