I was a comparatively early fan of the people who used better statistics to analyze baseball — SABRmetrics, as it’s called — but this? This makes my head hurt, football.
It’s a graph from Dan McLaughlin, who writes the Baseball Crank blog. He takes on football, too.
What does this tell us? It tells us the Super Bowl games are getting closer than they used to be, according to his article today on Grantland.
He doesn’t say why they’re closer than they once were, so we’ll assume it’s a natural result of the NFL’s insistence on parity which makes many teams just like many other teams.