this is why the new stadium whenever or where ever it's built has to have real grass

[DetDannyWilliams]

<blockquote class="twitter-video" data-lang="en"><p lang="en" dir="ltr">Current situation <a href="https://twitter.com/hashtag/Bills?src=hash">#Bills</a> <a href="https://twitter.com/hashtag/Steelers?src=hash">#Steelers</a> <a href="https://twitter.com/WKBW">@WKBW</a> <a href="https://t.co/E3uRPyMCMK">pic.twitter.com/E3uRPyMCMK</a></p>&mdash; Matthew Bové (@Matt_Bove) <a href="https://twitter.com/Matt_Bove/status/808035201922330628">December 11, 2016</a></blockquote>
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[BillsImpossible]

I was at the game and saw that. My friend mentioned how high schools are banning this rubber tire from being used do to possible cancer risks.

Over half of all NFL stadiums have natural grass, 18 teams in total, 3 of them play in a dome with a retractable roof.

The game of football was meant to be played on grass, in the mud and dirt.

https://www.reference.com/sports-active-lifestyle/nfl-stadiums-natural-grass-959cd0aec5f219e2

NRG Stadium, Lucas Oil Stadium and University of Phoenix were constructed with retractable roofs that allow direct sunlight on the grass when the weather permits.