A four-time winner of the Ballon d'Or, Lionel Messi has secured his place as one of the greatest-ever footballers at the tender age of 25. Few players - past or present - can boast his deadly touch in front of goal, his vision for a pass, or even his humble attitude. Widely considered to be the greatest player on the planet, opposing managers must wonder what they need to do to stop the Argentine superstar - although thankfully, Japan may have found an answer: build yourself a robot goalkeeper...
