Player value depends heavily on your assumptions, and particularly on how you decide to measure and compile a player’s supposed contribution.
Can the whole be greater than the sum of its parts? Can it ever be less? Is a baseball team just the total of the 25 people who comprise its roster?
One of the creators of openWAR responds to the points raised by Michael Wenz this month.
Single-year outfield defense might be an intractable problem.
Should WAR(P) systems adjust their defensive measures? Okay. Now, which direction?
Why Jon Heyman’s questions about WAR are worth asking, and answering.
Ben and Sam discuss whether the second wild card has made the stretch run more exciting, then talk about why papers publish columns that criticize advanced stats without making an effort to understand them.
If we disagree with something a metric says, does that mean we have to discard it?