NFL Collective Bargaining Agreement
Anti-Collusion
Section 2(a)Other Club Conduct
No Club may have a policy not to negotiate with, or enter into a Player Contract with, any player who is free to negotiate and sign a Player Contract with any Club, on any of the following grounds, if such policy is inconsistent with Section 1 above:
(a)
that the player has previously been subject to the exclusive negotiating rights obtained by another Club in a College Draft, by virtue of a Required Tender to a player with less than three Accrued Seasons, or a Franchise Player designation; or