File:Interior of NRG Stadium; 2016.jpeg - Wikipedia
louisville cardinals – SportsLogos.Net News
Texans to play on turf at NRG Stadium
NRG Stadium (Formerly Reliant) Temporary Soccer Field
Journal of Higher Education Management - Vol 38 (1) by AAUA
Underdog Dynasty's Group of Five Stadium Ratings - Underdog Dynasty
Spread offense - Wikipedia
National Football League / Useful Notes - TV Tropes
Houston Texans have no plans to make changes to playing surface
Are The People In Charge Of The Field At NRG Stadium Finally
Texans unveil new playing service at NRG Stadium
The Turf War: The dangers of crumb rubber - ESPN Video
NRG Stadium to feature artificial turf in 2016; future surface
Texans To Play On Synthetic Turf in 2016
Playing Surface and Injury Risk: Artificial Turf Vs. Natural Grass