"Hints of a more mechanical approach are evident in many parts of Tiger's swing."
Tiger Woods has evolved from the unstructured, let-it-fly youth who came to Butch Harmon at age 17 in 1993. Take a look at his powerful swing in slow motion.
• Swing Sequence: Slow-motion video: Rory McIlroy
• Rory & Tiger: Side-by-side look at their swings