J.C. Tretter: Player News - NBC Sports - NBC Sports
NFL offseason head-scratchers, brilliant moves and power shifts: What we've learned about all 32 teams - The Athletic
NFLPA Elects J.C. Tretter As President
JC Tretter NFL Stats & News
Cleveland Browns Team News, Fixtures and Results - Page 2
NFL free agency tracker 2022: Live updates on news, rumors, signings and trades
Former Browns, Packers center JC Tretter announces retirement after eight NFL seasons
JC Tretter, former Cleveland Browns center, retires after 8 seasons in NFL but remains NFLPA president - ESPN
Ex-Packer Center Retires from NFL.
The NFL cast JC Tretter out; the NFLPA president says that only makes him more powerful - Sports Illustrated