Forget the ads, let’s rate the quarterbacks

All hail The Numbers Guy blogger at The Wall Street Journal for daring to address a topic that many people mention in the runup to the Super Bowl but that few understand: the official “passer ratings” for quarterbacks. He discusses the history of the rating (which dates back nearly four decades), as well as the fact that quarterbacks themselves have barely a clue as to how it’s computed. For mathematically inclined readers who’ll be bringing their slide rules to Super Bowl parties, he links to an old GQ article that discussed