JC Tretter Retires from NFL at 31; Former Packers, Browns Center
NFL Players Association president calls for grass surfaces to be
JC Tretter announces retirement - BrownsZone with Scott Petrak
Former Packer and Current NFLPA President Tretter Retiring
JC TRETTER RE-ELECTED AS PRESIDENT OF NFL PLAYERS ASSOCIATION
The NFL cast JC Tretter out; the NFLPA president says that only
NFLPA President criticizes league on vaccine wristbands
Former Cleveland Browns Center JC Tretter, Retires After 8 Seasons
NFLPA president encourages players to focus on mental health by