NFL players 'significantly safer' on grass than turf, association says
Dolphins set numerous records in their blowout win over Broncos
Empower Field at Mile High - Wikipedia
Broncos Stadium at Mile High Turf Conditioning
Mile-High Gallop - Water Shapes
Broncos announce more than $100 million in upgrades to Empower
Mile High Stadium - Wikipedia
NFL players union renews call for grass fields after Aaron Rodgers
Denver Broncos spent $400,000 on new grass for the last game of
Denver Broncos Stadium at Mile High gets new name