Arizona Cardinals Free Agency Central
Unrestricted Free Agents (UFA):
Any player with four or more accrued seasons or an expired contract; free to negotiate and sign with any team.
Restricted Free Agents (RFA):
A player with three accrued seasons and an expired contract. RFAs are free to negotiate and sign with any team, but their original team can offer them one of various qualifying offers ("tenders") that come with the Right of First Refusal and/or draft-pick compensation.