NFLPA President: NFL is putting players at risk by ignoring the league's own experts - The Falcoholic
NFL Players Association calls on 6 venues, including Indy's, to change playing surfaces – Indianapolis Business Journal
NFLPA President: Union 'has not agreed to any reopening plan'
A conversation with Browns' JC Tretter as new union chief in turbulent times - The Athletic
Former Browns center, NFLPA president JC Tretter retires
J.C. Tretter: Breaking News, Rumors & Highlights
NFLPA calls on 6 venues to change playing surfaces
J.C. Tretter: Breaking News, Rumors & Highlights
NFLPA president JC Tretter rips into the condition of Soldier Field and claims NFL must 'do better'
Former Browns center, NFLPA president JC Tretter retires