In 2004, Tiger Woods was already the greatest golfer alive. Eight majors. Years as world number one. Nothing in the data said fix anything. He rebuilt his swing anyway. Working with Hank Haney, he dismantled the mechanics that had produced his greatest results and started over from the ground up. His driving accuracy fell to 182nd. The press said his game was coming apart.
Three years later he had the best season of his career.
