There is a progression of understanding vis-a-vis pro football that varies drastically with the factor of distance -- physical, emotional, intellectual and every other way. Which is exactly the way it should be, in the eyes of the amazingly small number of people who own and control the game, because it is this finely managed distance factor that accounts for the high-profit mystique that blew the sacred institution of baseball off its ''national pastime'' pedestal in less than fifteen years.