NFLPA - New injury data shows grass 'significantly safer' than turf - ESPN
What happens to Bank of America Stadium grass in Charlotte?
NFL artificial turf vs. grass debate: League, NFLPA spar about stadium playing surfaces after Aaron Rodgers injury
What NFL stadiums have real grass and which ones have artificial turf? The full list - AS USA
Bank of America Stadium switching from grass to field turf
The business case for turf - Axios Charlotte
Panthers donating dirt from Bank of America Stadium to local parks
Panthers' BOA Stadium transitioning to turf before Carolina Panthers' 2021 season. : r/nfl
Meet the man who makes sure the Panthers' grass is always greener