Green Bay Packers: JC Tretter is wild card on strong offensive line – Twin Cities
JC Tretter will remain as the NFLPA president for another 2-year term
Veteran center J.C. Tretter to retire from NFL
JC Tretter: Brown center on NFL in coronavirus world
Vikings 'Never Returned Our Calls,' JC Tretter Says
Cleveland Browns: JC Tretter returns to practice on Monday - Dawgs By Nature
Cleveland Browns News: J.C. Tretter helping educate about CBA
Growing Up on the Gridiron: JC Tretter
NFLPA President JC Tretter: Artificial turf is causing surge in injuries – Brock USA
JC Tretter, former Cleveland Browns center, retires after 8 seasons in NFL but remains NFLPA president - ESPN
Browns center and NFLPA president JC Tretter makes 2nd strong plea for daily COVID-19 testing for vaccinated players with NFL in a 'worse spot' than last year
Browns' JC Tretter counters Raiders' complaints about postponement by pointing out he fought for them to be paid
Browns should seriously consider bringing back JC Tretter