'On to the next chapter': Former Cleveland Browns center JC Tretter announces retirement
Former Browns Center JC Tretter Announces Retirement - Sports Illustrated Cleveland Browns News, Analysis and More
JC Tretter Retires From NFL After Nine-Year Career - Sports Illustrated
Why Former Browns Center J.C. Tretter Retired - Sports4CLE, 8/25/22
Center Alex Mack announces retirement after 13 NFL seasons - ESPN
Former Packers offensive lineman JC Tretter retiring from NFL
Why Former Browns Center J.C. Tretter Remains Unsigned - Sports4CLE, 8/22/22
J.C. Tretter, WELCOME TO RETIREMENT 👏
Center Alex Mack announces retirement after 13 NFL seasons - ESPN
JC Tretter makes retirement decision amid blackball speculation