MetLife Stadium to replace field in 2023, won't add grass
NFL players union renews call for grass fields after Aaron Rodgers' injury
Portland Thorns players urge club to invest in grass field, dedicated training facility
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Jets players support NFLPA statement for grass in all stadiums
NFLPA: League must invest in grass playing surfaces
Rodgers, NFL players urge league to nix turf, go with grass - – With you for life
NFL players union boss wants natural grass after Rodgers injury, National News
A History of the NFL in 95 Objects: Artificial Turf - Sports Illustrated
Why NFLPA urge to switch from turf to grass impacts Panthers