The balls are required be inflated between 12.5 and 13.5 pounds per square inch and weigh between 14 and 15 ounces.
The rest of your question I have not found the answers to.
yet.
Thanks. Of course, competent journalists would ask the questions themselves. Okay now, quit laughing.
I would think that the kickers and punters would want a fully inflated ball. It should help the QBs, receivers and backs to have them less hard.