‘So here’s how it all works — Ferguson and tight end Jacob Hollister [among others] are considered vested veterans, which means they are waiver exempt. When the Bills move their injured player(s) to IR, they’ll have available roster spots and can re-sign players. Sure, that means they could explore the free agent pool from around the league, but it more likely means they’ll bring back some of the guys they cut on Tuesday [like Ferguson].’