Former Browns C JC Tretter Announces Retirement, 'Doubling Down' In Role As NFLPA President - Steelers Depot
JC Tretter - Sports Illustrated
Browns center and NFLPA president JC Tretter tests positive for COVID-19; Grant Delpit and James Hudson III activated off list
Browns HC Kevin Stefanski, two coaches, two players test positive for COVID- 19
NFLPA president, Browns' Tretter tests positive for COVID-19 - Wausau Pilot & Review
Browns: JC Tretter joins The Pat McAfee Show to discuss NFLPA business
JC Tretter tests positive for COVID-19
How the Pandemic Could Change the NFL Offseason – Forever - Global Sport Matters
Browns' C Tretter, Saints QBs test positive for COVID-19
JC Tretter: NFLPA wants vaccinated players to be tested more frequently too; he conferred with concerned players Sunday night
Former Browns center, NFLPA president JC Tretter retires National News - Bally Sports
Former Browns center, NFLPA president JC Tretter retires
Browns center JC Tretter elected to second term as NFLPA president
How Browns center JC Tretter has handled his role as NFLPA's first 'COVID president'
The NFL cast JC Tretter out; the NFLPA president says that only makes him more powerful - Sports Illustrated