As a former tactical analyst from Loughborough with a foot in both Premier League data and Brasileiro street football culture, I’ve seen how the 4-2-3-1 system is collapsing—not from lack of talent, but from misaligned full-back roles. Three Brazilian defenders, often ignored, hold the key to replacing Messi’s 90% offensive output. This isn’t about stars—it’s about spatial intelligence. Let me show you why.