49ers sparkling new Levi's Stadium sees field fail, new grass goes
49ers troubled turf gets first test Sunday against Cowboys at
49ers' George Kittle, Nick Bosa join NFL Twitter in calling for safer
49ers troubled turf gets first test Sunday against Cowboys at
Denny Green's last ride and the lasting memories of the Sacramento
Inside the NFL turf debate: Injuries, safety measures, problems - ESPN
Purdy: 49ers' Levi's Stadium still plagued by turf problems – The
NFL players union renews call for grass fields after Aaron Rodgers
Realistic 49ers trade targets and what's causing team's chronic
49ers troubled turf gets first test Sunday against Cowboys at
NFL field surface intel: Grass vs. turf, owners, problems - ESPN
2021 Eastern Washington University Football Fact Book (posted July
Why 49ers Players, Coaches Prefer Grass Fields Over Turf - Sactown
Chiefs or 49ers? These Guys Will Be Rooting for Grass - WSJ
NFL players and owners are at odds over surfaces their teams play on