When Brandon Staley was hired by the Chargers following the 2020 season, he was set to bring with him a defensive philosophy much different from what the team ran for four years under Gus Bradley.
Instead of running Cover 3 into oblivion, the Chargers were switching to more of a Cover 2 shell with a lot more man concepts. That was, of course, on top of switching the defensive front from a 4-3 front to a 3-4.
In the 2021 draft, you saw Staley and company start investing into their system by selecting Asante Samuel Jr.