'On to the next chapter': Former Cleveland Browns center JC Tretter
JC Tretter Retires From NFL After Nine-Year Career - Sports
Browns center, NFLPA President JC Tretter wanted to make sure
JC Tretter Retires from NFL at 31; Former Packers, Browns Center
Former Browns center, NFLPA president JC Tretter retires National
The NFL cast JC Tretter out; the NFLPA president says that only
August 25 Training Camp Notes: Cowboys OT Tyron Smith out
Browns release JC Tretter: Move to cut center, NFLPA president
JC Tretter announces retirement - BrownsZone with Scott Petrak
The NFL cast JC Tretter out; the NFLPA president says that only
Former Browns center JC Tretter retiring after 8 NFL seasons, will