The NFL Players Association won its grievance against the Jacksonville Jaguars after the Jags instituted mandatory injury rehabilitation sessions at the team's facilities in the offseason and fined players who didn't attend.
An arbitrator found in favor of the NFLPA, which had argued that Jacksonville was in violation of the collective bargaining agreement, per Tom Pelissero of the NFL Network:
Tom PelisseroThe NFLPA has informed players that an arbitrator ruled in the union’s favor in a grievance against the #Jaguars over requiring injured players to rehab and see doctors at the team facility during the offseason.