Cleveland Browns center J.C. Tretter on course for Sunday
JC Tretter Stats, News and Video - C
Browns center, NFLPA president JC Tretter calls for end to NFL's offseason practices
On to the next chapter': Former Cleveland Browns center JC Tretter announces retirement
Browns offensive line remains a strength, but there are questions surrounding health, money: Position breakdown
JC Tretter, NFLPA president and former Browns center, retires after nine seasons
JC Tretter Retires from NFL at 31; Former Packers, Browns Center Is NFLPA President, News, Scores, Highlights, Stats, and Rumors
JC Tretter: NFL 'is unwilling to prioritize player safety' amid pandemic - Sports Illustrated
Who are the toughest offensive lines the Broncos will play in 2021? - Mile High Report
Browns release C J.C. Tretter - Dawgs By Nature
Cleveland Browns place center JC Tretter on Reserve/COVID-19 list - Dawgs By Nature
Former Browns center JC Tretter retiring after 8 NFL seasons, will stay on as NFLPA president
Browns restructure Watson deal to clear cap space
Why the Browns Released J.C. Tretter - Sports4CLE, 3/15/22