Don't expect them to use the "R" word.
None of these NFL teams will admit to rebuilding. And some might not even be willing to undergo the process itself, since that'd essentially concede to fans that a run to Super Bowl LIV isn't on the table.
But somewhere between five and 10 NFL franchises are typically in rebuilding mode at any given time, and these six would be best-served by approaching the 2019 offseason with a rebuild in mind.
Miami Dolphins
Why they need to rebuild
It looks as though the Miami Dolphins are ready to move on from veteran quarterback Ryan Tannehill under new head coach Brian Flores, and general manager Chris Grier is calling the shots with Mike Tannenbaum out.