Vikings 'Never Returned Our Calls,' JC Tretter Says
Former Browns center, NFLPA president JC Tretter retires
Browns center JC Tretter elected next NFLPA president
Former Packers center JC Tretter voted NFLPA president - Acme
Browns C JC Tretter elected as new president of NFL Players
Cleveland Browns center J.C. Tretter elected as NFLPA President
JC Tretter Retires from NFL at 31; Former Packers, Browns Center
JC Tretter retires after interest in playing for Vikings, other teams
J.C. Tretter elected president of NFL players' union amid CBA disarray
J.C. Tretter '13's path from ILR to the Cleveland Browns and NFLPA
Browns center JC Tretter re-elected players' union president - The
J.C. Tretter Elected As President of NFL Players Association