JC Tretter will have 18 more months as NFLPA president - NBC Sports
NFLPA president JC Tretter rips NFL gambling policy
Browns center JC Tretter elected to second term as NFLPA president
NFLPA president encourages players to focus on mental health by
Akron graduate JC Tretter voted president of NFL Players Association
Watson apologizes, then struggles in Browns preseason debut
JC Tretter, former Cleveland Browns center, retires after 8
J.C. Tretter announces retirement from football - Daily Norseman
J.C. Tretter net worth: How much did ex-NFL star earn in salary
Former Browns center JC Tretter retires, will stay on as NFLPA
JC Tretter Retires from NFL at 31; Former Packers, Browns Center
Former Browns center J.C. Tretter announces his retirement