The NFL offseason is barely a few days old for 20 of the league's teams, but already the rumor mill is spinning.
Coaches that were expected to be fired instead received contract extensions (Marvin Lewis), while coaches whose jobs were presumed safe are now unemployed.
Then there's the controversy surrounding top college football coaches like Jim Harbaugh and Rich Rodriguez.
Who will go where, and what teams will be left trying to fill their coaching vacancies late into the offseason? Here's an early look at what coaching changes could shake up the NFL.