Feb. 13 (UPI) -- The NFL won a grievance regarding the NFLPA's annual report cards, prohibiting their release from the players' union, the league confirmed Friday.

The union started conducting and distributing the results of the anonymous player surveys, which lead to assignments for letter grades for NFL teams, in 2023.

The most recent report cards, which asses teams' treatment of families, food, nutrition, locker rooms, training rooms, training staff, weight rooms, coaching, travel and ownership, were released last February.

The league said the arbitrator found that the publication of the report cards violated the collective bargaining agreement.

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