For the best part of the last decade soccer has seen a personal rivalry unlike any seen before: Cristiano and Leo. This is their definitive story, from children kicking a ball halfway around the world from each other to their era-defining rivalry. One the preening Adonis, a precision physical machine who blows teams away with his pace and power. The other a shuffling genius, able to do things with a soccer ball that seem other-worldly. Their differences...