NFL can't ignore reignited grass. vs. turf field debate gaining steam
Joe Burrow weighs in on NFL turf fields vs grass debate - Cincy Jungle
49ers sparkling new Levi's Stadium sees field fail, new grass goes in – The Mercury News
CIF moving all state football finals to Southern California
49er-Giants recap: Levi's Stadium still has grass/turf issues - Niners Nation
Grass woes force 49ers to scuttle public practice at Levi's Stadium
49ers star never wants to play for team with artificial turf field
San Francisco 49ers Announce Global Syn-Turf as Official Artificial Turf Partner
49ers troubled turf gets first test Sunday against Cowboys at Levi's Stadium – The Mercury News
49ers troubled turf gets first test Sunday against Cowboys at Levi's Stadium – The Mercury News
Prep football: Bella Vista wins in Johnson's new stadium