Bengals when they dumped a whole bunch of salary and then drafted guys like Burrow, Chase and Higgins. Then they had enough money to sign key pieces to their defense away from cash strapped teams with a ton of dead money. Guys like Trey Hendrickson and Von Bell.
Bills also dumped mediocre QB play and salary, sucked it up and accumulated draft picks to rebuild through the draft.
Who did Mahomes replace in Kansas City?
The Eagles did a reset after dumping Wentz. They had a good young core at the time, kept those guys and then built around them.
Name the last time a vet QB with a losing record was paired with a head coach with a losing record on a team with a 25% of their salary dedicated to dead cap went on to do anything.