Whats the celery for being in the NFL?

You should check out this article - http://www.businessinsider.com/charts-expose-how-badly-nfl-players-get-paid-2013-9

It tells you the average salary but it also shows it's not nearly as much as you think! If you love football, my advice would be to think about the many different careers you could seek that are related: training, physical therapy, sports agents, etc, A degree from school would help you get into those after your NFL playing days are over!