Welcome to 4th Down and Under! From three-day moving adventures to the NFL's coaching carousel, we're covering more ground than a U-Haul packed with questionable life choices. Between Ash's body-breaking furniture hauls and the Cowboys' budget-conscious coaching decisions, we're diving deep into why some transitions are smoother than others.

This week's comprehensive breakdown of the NFL's coaching changes reveals:

- The Bears betting big on Ben Johnson while the Jets pivot to another defensive mind

- Pete Carroll bringing his gum-chewing enthusiasm to Vegas at 73

- The Cowboys' fascinating descent into mediocrity with their "Manhattan Project" coaching staff

- Liam Coen's meteoric rise through the coaching ranks, complete with more zigzags than a running back avoiding tackles

Plus, we venture int ...