In 2020, 19 out of the 32 NFL teams have outdoor stadiums.
As of 2021, 19 out of the 32 NFL teams have outdoor stadiums.
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Peyton Manning played a total of 266 regular season games during his NFL career, with the majority occurring in outdoor stadiums. While the exact number of games he played outside of a dome can vary depending on specific seasons and matchups, he played in domed stadiums primarily during his time with the Indianapolis Colts and the Denver Broncos. In total, it is estimated that he played around 200 games in outdoor stadiums.
4 Stadiums
By pro I guess you mean MLS which is the first tier of American soccer, in that case it's 15 teams.
As of 2021, there are 17 NFL stadiums that are outdoors.
it depends... football, a certain team, baseball, or all the stadiums in the world?
there are 20 stadiums with natural grass left
One
There are 1000's including NFL Stadiums, smaller league stadiums, high school fields, etc. But there are 31 NFL Stadiums.
no one knows how many football stadiums there are in the world because you would have to go all around the world!
7 stadiums are organising Commonwealth Games 2010 in India