JC Tretter re-elected NFLPA president - BrownsZone with Scott Petrak
Former Browns, Packers center JC Tretter announces retirement after eight NFL seasons
Browns center, NFLPA President JC Tretter wanted to make sure players had option to opt out
Browns center JC Tretter elected next NFLPA president
Cleveland Browns J.C. Tretter Elected NFLPA President - Sports Illustrated Cleveland Browns News, Analysis and More
Updated) Cleveland Browns Release Center JC Tretter
NFLPA president missing from rosters 'suspicious,' ex-Browns teammate Joel Bitonio says
Working From Home: JC Tretter
The NFL cast JC Tretter out; the NFLPA president says that only makes him more powerful - Sports Illustrated
Browns center JC Tretter re-elected players' union president