The real metric nobody is talking about: Bournemouth won just 1 of 13 games last season when holding 55%+ possession. Transition-heavy systems struggle when forced to break down a low block. Iraola is elite, but hell need a completely new in-possession structure.
Football can be such an easy game, look at how simple he keeps it, plays max 3 touch at any time and nobody can get near him, going to be one of the best