From AstroTurf to 'frankenturf': Inside the NFL's behind-the-scenes battle to fix its turf problem
Aaron Rodgers' injury reignites NFL players' furor over turf
Upland, the NFLPA and OneTeam Partners to Bring Football Players
NFLPA - New injury data shows grass 'significantly safer' than turf - ESPN
Did NFL lie about injury rates on artificial turf? NFLPA president rips Jerry Jones, league for using outlier data
NFL news: Players call for league to abandon turf for natural grass
NFLPA calls on 6 venues to improve playing surfaces
The NFL Is About to Use 2021 Tech and Data to Change the Game for 2022
Is NFL's injury risk similar on artificial turf versus grass? - The Athletic
NFLPA's latest data reveals players experienced fewer injuries on grass vs. artificial turf in 2022
Carroll - NFL needs to 'seriously' look into grass-turf debate - ESPN
NFLPA leader calls for natural grass in all NFL stadiums - Newsday
Tennessee Titans turf project explained: Will it decrease injury rate?