Here it is and it doesn't fit this situation if you read the qualifiers.
Section 1. Undisclosed Terms: A Club (or a Club Affiliate) and a player (or a Player
A ffiliate or player agent) may not, at any time, enter into undisclosed agreements of any
kind, express or implied, oral or written, or promises, undertakings, representations,
commitments, inducements, assurances of intent, or understandings of any kind:
(a)involving consideration of any kind to be paid, furnished or made available or guaranteed
to the player, or Player Affiliate, by the Club or Club Affiliate either prior to, during,
or after the term of the Player Contract; and/ or
(b) concerning the terms of any renegotiation
and/or extension of any Player Contract by a player subject to a Franchise Player
or Transition Player designation.
http://images.nflplayers.com/mediaResources/files/PDFs/General/2011_Final_CBA.pdf