Browns center JC Tretter and Seahawks linebacker Shaquem Griffin announce retirement
Eric Kush, J.C. Tretter and Browns Offensive Line Bond Through Shuffleboard
NFLPA President JC Tretter criticizes league on vaccine wristbands – News -Herald
Cleveland Browns Offensive Lineman: Big kids rule
JC Tretter Re-Elected as NFLPA President
Cleveland Browns center JC Tretter, 2021-2022
Browns release JC Tretter, union president
NFLPA president J.C. Tretter: NFL must make decisions from 'medical lens'
Browns release JC Tretter: Move to cut center, NFLPA president saves $8M amid reported Deshaun Watson pursuit