Here are the Chiefs slated for 2021 free agency:

Damien Williams
DeAndre Washington
Anthony Sherman
Sammy Watkins
D-Rob
Ricky Seals-Jones
Austin Reiter
Mike Remmers
Chris Jones
K-Pass
Mike Pennel
Damien Wilson
Dan Sorensen
Antonio Hamilton
Bashaud Breeland
Dustin Colquitt

Here are the Chiefs who could also be cap casualties:

Eric Fisher ($11M cap savings)
LDT ($7M)
Alex Okafor ($5.95M)
Chad Henne ($1.2M)

In short, Kansas City is running it back in 2020, but 2021 will likely see a slew of changes.