So if I'm Beane, any trade I make has to align with a few things
A) a single draft pick to a single draft year. So a 2nd this year, and a 3rd in 2024, etc
B) not contradictory to a R1 - R3 players from the last 2 drafts. For me, that means you don't send more draft capital after already spending a 2nd rounder on Cook, DE, OT, CB, or an X WR
C) Is a starter to replace either an aging inuured player, or a spot where we need better production
So I think that limits to the Bills to 3 spots.
IOL for either Bates or Saffold, who've ranged from average to poor
Safety if Poyer's injury is significant
Slot WR (Shakir was a 5th round pick)