The Browns are releasing center JC Tretter
NFLPA President criticizes league on vaccine wristbands
NFLPA president JC Tretter advocates for elimination of offseason program
A conversation with Browns' JC Tretter as new union chief in turbulent times - The Athletic
Former Cleveland Browns Center J.C. Tretter has retired - Bucs Life
JC TRETTER RE-ELECTED AS PRESIDENT OF NFL PLAYERS ASSOCIATION
Tretter re-elected president of NFL union
Browns center JC Tretter elected next NFLPA president
JC Tretter, NFLPA president and former Browns center, retires after nine seasons
Browns' Tretter calls for discipline against K.C. assistant
Browns' JC Tretter, NFLPA president, pumps brakes on report of possible June minicamp
NFL players concerned; others ignore advice
Cleveland Browns: J.C. Tretter, NFLPA respond to NFL on Covid-19