Projecting the Eagles’ Record for 2013 Using Pythagorean Expectation

by Jerome's Friend

Originally published March 26, 2013 on

Pythagoras wasn’t quite around for tailgating, fight songs, cheerleaders, and Super Bowls, but Bill James was.  James is a historian, mathematician, and statistician whose work has greatly influenced the evolution of baseball (see sabermetrics), and has had an impact on other sports as well.  One of James’ most widely cited formulas is the Pythagorean Expectation, a formula that has been adopted by and, among others, and can be used to project the 2013 Philadelphia Eagles’ record with a relatively fair degree of accuracy.  Read more…