NFL rosters are ever-evolving, living entities. Whether it’s from injuries, the salary cap or Father Time, they’re always changing. The 53-man roster with which a team begins the season is never the same when Week 18 arrives — and from one season to the next, a roster can be completely different.
But once in a while, a player comes along who can leave a lasting impact on a team — one that remains long after he’s moved on.
That’s the effect New Orleans Saints safety Tyrann Mathieu had on the Kansas City Chiefs while he was with the team from 2019 through 2021…