no, nfl footballs are a little larger than ncaa footballs
footballs are kept at 71o F
A football is 11 inches long, so a little bit over three footballs are in a yard.
They use them for practice.
because by the time you are in the NFL you are fully grown and you are bigger than when you where in high school.
12 new footballs are marked with the letter "K' for NFL football games.
they sign it with a marker
CowHide (I am not positive on this but I think it is)
Yes, high school footballs are smaller and usually have two white stripes (NCAA regulation) near the ends.
Information about NFL footballs can be found in many big name sporting good stores. You can also find information in library books or on the internet.
All NFL footballs are manufactured in the Wilson Sporting Goods football factory in Ada, Ohio. It is the only football manufacturing facility in the US, and has been making NFL footballs in the same building since 1955. The entire process is done by hand and they produce about 4,000 footballs a day.
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