Tag Archives: Sabermetrics

A New Sabermetrics Formula to Predict Postseason Teams

Bill James introduced his formula for predicting a team’s expected winning percentage (Expected W%) for a season. The formula is Expected W% = (Runs Scored)2 / [(Runs Scored)2 + (Runs Allowed)2] and is called the Pythagorean Theorem of Baseball.  Bill James’s rationale for his theorem was that the number of runs a team scored (RS) compared to the …

How Good or Bad are the 2013 New York Yankees?

One of my all-time favorite quotes comes from the great football coach Bill Parcells. When referring to a team’s performance Parcells said, “You are what your won-loss record says you are.” Well as of June 24, 2013 the Yankees’ record is 41-34 and they are 2.5 games out of first place. According to Coach Parcells’ …