Saquon Barkley said NFL stadiums installing grass for the World Cup set a precedent, arguing there's no reason NFL players can't have the same surface.
https://www.foxnews.com/sports/saquon-barkley-sees-no-reason-why-nfl-must-keep-turf-fields-after-fifa-world-cup-required-grass-surfaces
https://www.foxnews.com/sports/saquon-barkley-sees-no-reason-why-nfl-must-keep-turf-fields-after-fifa-world-cup-required-grass-surfaces