JC Tretter announces retirement - BrownsZone with Scott Petrak
JC Tretter makes retirement decision amid blackball speculation
JC Tretter Retires from NFL at 31; Former Packers, Browns Center
Cleveland Browns' JC Tretter re-elected as NFLPA president
NFL Players Association elects Cleveland Browns' J.C. Tretter as
Browns C JC Tretter elected as new president of NFL Players
JC Tretter's busy offseason centers on helping new teammates
The NFL cast JC Tretter out; the NFLPA president says that only
NFL labor vote being so close underscores split among players
Cleveland's J.C. Tretter Elected President of N.F.L. Union - The
Browns' Tretter calls for discipline against KC assistant
Former Packers center JC Tretter voted NFLPA president - Acme
Cleveland Browns' JC Tretter re-elected as NFLPA president