Ex-Packer Center Retires from NFL.
Alexander Mattison 2023 Free Agency Move
Former Browns center J.C. Tretter announces his retirement
Browns release JC Tretter, union president
JC Tretter (@JCTretter) / X
Browns' JC Tretter Elected NFLPA President over Michael Thomas, Sam Acho, News, Scores, Highlights, Stats, and Rumors
Cleveland Browns on X: Retweet to wish @JCTretter a happy birthday! 🥳 / X
Veteran center J.C. Tretter to retire from NFL
Browns Center J.C. Tretter Elected As New President Of NFLPA