Big money soccer clubs have been trying to emulate the success of baseball statistical analysts for a number of years now, but it's hard to tell if they are making any progress, according to Brian Phillips in Slate
Sample sizes for, say, goals and assists are tiny. The game is very complicated. There are relatively few easy-to-measure objective measures, so various for profit consultancies are offering big clubs evaluations of play on a confidential basis, so it's hard to tell if anybody actually has figured out anything yet.
That reminds me of the current emphasis on using test scores to improve education. Yet, it took a quarter of a century for the Bill James Revolution in baseball to have much of an impact. Is education more like baseball or soccer?
Moreover, the prestige names in the Ed School racket, such as Linda Darling-Hammond, tend to be innumerate.