Why does PFF have two different rankings for 2022 NFL Draft prospects?

So on Wednesday, I posted some 2022 NFL Draft updates and that included an “Early 2022 NFL Draft rankings and overviews” article by PFF. I assumed, safely I thought, that these were PFF’s 2022 NFL Draft Rankings. Even if they are “early” and subject to a lot of change in the coming year, surely that did not mean that they’d be updated as they were being…