1966  The first artificial turf pitch for American Football was installed in the world’s largest indoor sports stadium, the Astrodome in Houston, Texas. It was the first time artificial turf was used in a professional sports league.
1970s  Artificial pitches became widespread in the 1970s and were installed in both indoor and outdoor stadiums across America and Canada. However, there were concerns that the turf caused friction burns and blisters and did not have the same cooling effects as natural grass turf. However, the National Football League and the Stanford Research Institute declared that artificial turf was not a health hazard to professional football players and its use continued to spread. Over the following years artificial playing surfaces grew in acceptance, and in 1972 the NFL Super Bowl was played on artificial turf for the first time in Tulane Stadium, New Orleans. Its use was also seen during the Super Bowls in 1974, 1975 and 1978.
1990s Advances on first generation artificial grass led to the development in the second half of the nineties with the introduction of polyethylene, which proved softer and much less abrasive to the skin. This resulted in widespread acceptance of artificial turf leading to the boom in artificial playing surfaces constructed in stadiums not just in America but around the world. This decade saw artificial turfs evolve further with sand infill (which had a tendency to become compacted and harden) being replaced by rubber. This provided a lighter and springy surface and provided the bounce that a player needs when running. The rubber granules are generally made from recycled rubber and ground down into small particles.
Today and Tomorrow Since its emergence, artificial turf has been featured in 13 Super Bowls from the 1970s to the present day. Recent developments in the artificial turf industry have included new systems that have simulated blades of grass supported by an infill material so the "grass" does not compact. In addition the combination of fiber and infill provides a comfortable playing surface. The resulting product is closer to the look and feel of grass than previous artificial turf systems. There is continued development of different solutions for producing infill materials. The development of 4th generation artificial turf means softer, stronger fibers, new infill and non-infill systems. The popularity of artificial turf in American Football continues to grow thanks to new advances and technological developments in playing surfaces.