World Cup 2026: England's Livramento ruled out; Ghana seek to overturn Partey ban
theguardian.com
World Cup group-stage chaos is a live stress test of roster depth and tournament psychology — and early injuries and bans are already reshaping who survives.
Squad Depth TheoryGame TheoryPrincipal-Agent ProblemLoss Aversion

Theory Briefing
- England's Livramento has been ruled out, forcing tactical adaptation that tests squad-depth theory in high-stakes tournaments.
- Ghana are pursuing an official appeal to overturn Thomas Partey's ban, a classic principal-agent dispute between governing bodies and competing nations.
- Two-thirds through the opening group games, the 2026 World Cup is already generating the volatility that makes early-round game theory so compelling.