World Cup
How to Judge a Soccer Manager's Success
The most-used measure of a manager has a blind spot: the starting point. Across 433 tenures at 49 clubs, those handed a club in the top 10% of its own history lost 34 Elo points on average, while those who inherited a bottom-40% slump gained 62. That's how Guardiola's Bayern reads as −60 and Klopp's