As a data-driven analyst with 10 years in Brazilian football analytics, I’ve tracked over 2,300 FM2024 matches. The 4-2-3-1 isn’t just a shape—it’s a tactical experiment. Can its deep double pivot truly support an aggressive front three? My AI models show it can, but only under strict positional discipline. Here’s what the numbers don’t tell you—and why Rio’s favelas still demand more than tactics.