JC Tretter wanted to play for Vikings, claims Minnesota never
PFF Lists Vikings as Landing Spot for JC Tretter
Grievance filed by NFL says players' union leaders advised running
Inside the JC Tretter Vikings drama; Kirk Cousins' rough scrimmage
Playing or not, JC Tretter a true pro for Packers
Breaking Down the Vikings Roster - Daily Norseman
Cleveland Browns center and NFLPA president JC Tretter calls for
NFLPA president JC Tretter says 'hurdles' remain before NFL's return
Millionaire Matchmaker, NFL Edition - The Ringer
NFL offseason programs begin with mixed player involvement
Browns show interest in QB trade market, D-line in NFL free agency
Vikings Urged to Sign Former Packers' Lineman JC Tretter