The NFL cast JC Tretter out; the NFLPA president says that only makes him more powerful - Sports Illustrated
J.C. Tretter would give Bengals yet another solid piece on their OL
J.C. Tretter is the last quality free agent center left for the Ravens
Miami Dolphins News 5/5/22: Which Veteran Free Agent Could Help Out The Dolphins? - The Phinsider
Free agent JC Tretter retires, will focus on NFLPA role
Notes: Center JC Tretter says he'd love to get contract extension, stay in Cleveland - BrownsZone with Scott Petrak
Joel Bitonio wonders whether JC Tretter is being blackballed for his stance on player safety - NBC Sports
Browns C JC Tretter not worried about long-term contract extension
5-year Browns center JC Tretter announces retirement
Packers Lose OL JC Tretter to Browns
NFLPA president JC Tretter rips conditions at Bears' Soldier Field: 'The NFL can and should do better'