NFLPA President JC Tretter Calls for Replacement, Ban of Slit-Film Turf Fields, News, Scores, Highlights, Stats, and Rumors
NFLPA President Calls for Immediate Changes to Fields Amid Injury Concerns - Sports Illustrated
NFLPA president calls for ban on turf at six stadiums
NFLPA president JC Tretter calls for turf ban amid rise of injuries
North State Journal Vol. 7, Issue 38 by North State Journal - Issuu
From AstroTurf to 'frankenturf': Inside the NFL's behind-the-scenes battle to fix its turf problem
JC Tretter makes retirement decision amid blackball speculation
NFLPA President Tretter Calls for NFL Teams to Remove Artificial Turf
Why did JC Tretter retire? NFLPA president and former Browns, Packers center explains decision and how NFL may have influenced it
NFL offseason priorities for 2023: Possible rules changes, safety reforms - ESPN