JC Tretter announces his retirement - NBC Sports
Former Browns C JC Tretter talks NFL working conditions
Browns C JC Tretter elected as new president of NFL Players Association
Tretter Re-Elected President of NFL Union
The NFL cast JC Tretter out; the NFLPA president says that only makes him more powerful - Sports Illustrated
Former Packers center, NFLPA president JC Tretter retires
How Cleveland Browns' JC Tretter handles NFLPA presidency in pandemic
JC Tretter speaks on what the NFLPA is doing to plan for NFL's return
Browns' Tretter calls for discipline against KC assistant
Center JC Tretter candidate to become NFLPA president - BrownsZone with Scott Petrak
Former Browns center, NFLPA president JC Tretter retires National News - Bally Sports
Browns center JC Tretter elected next NFLPA president
Browns center and union president JC Tretter wants COVID-19 testing to continue – Morning Journal
J.C. Tretter News, Photos, Quotes, Video
JC Tretter announces retirement - BrownsZone with Scott Petrak