The Chiefs and the team’s owners almost certainly make much more money today, thanks to television revenues that have been soaring ever since. But it’s hard to know for sure, because the finances of NFL teams are largely a mystery. Only the Green Bay Packers disclose their numbers, and then only because they are publicly owned. “Team financial records rarely become public,” said Roger G. Noll, an emeritus professor of economics at Stanford University and an expert on the business of pro sports, “and I am not aware of any recent repeat of what happened in McNeil.