As a data-driven sports analyst, I’ve tracked this move through quantifiable patterns: Koval, the 25-year-old Czech keeper, is leaving Leverkusen amid declining match volume and rising exit odds. His 15-game season — 5 in Bundesliga, 6 in Champions League — doesn’t reflect his true value. Ajax isn’t buying a player; they’re buying a predictive model. The market’s noise is loud, but the numbers don’t lie. Here’s what the box score won’t tell you.