Do bullpens really help teams “beat” their Pythagorean expecatations?
Having examined the value of the Pythagorean Expectation Formula (PEF) as a benchmark for assessing manger value, I thought it would be interesting to extend the analysis and see if PEF can be used to test the impact of any other aspects of team performance. One of these is bullpen quality. But first let’s review. […]