Former Browns center, NFLPA president JC Tretter retires National
Former Browns Center JC Tretter Announces Retirement - Sports
Las Vegas Raiders - 2021 Team Leaders
JC Tretter announces retirement - BrownsZone with Scott Petrak
Nothing Personal with David Samson - Le Batard & Friends, Baseball
Page 6079 – Waiting For Next Year
JC Tretter, former Cleveland Browns center, retires after 8
JC Tretter Retires From NFL After Nine-Year Career - Sports
Page 6543 – Waiting For Next Year
Akili Smith Waiting For Next Year