there are 20 stadiums with natural grass left
There are 1000's including NFL Stadiums, smaller league stadiums, high school fields, etc. But there are 31 NFL Stadiums.
The answer is: 2,191,317 total people could fit in to all of the NFL Stadiums that are currently in the United States.
Capacity varies - most stadiums hold 66,000 to 70,000.
103 seats 848 excluding trainers, stadiums, and energy
No, they are both open air stadiums.
Baseball stadiums generally hold between 40,000 and 65,000 fans.