NFL Collective Bargaining Agreement

Article 17
Anti-Collusion

Section 16(a)
Termination

The NFLPA shall have the right to terminate this Agreement, under the following circumstances:

(a)

Where there has been a finding or findings of one or more instances of a violation of Section 1 of this Article with respect to any one NFL season which, either individually or in total, involved five or more Clubs and caused injury to 20 or more players; or