Giggs, Cantona, Law, Charlton and Best - all would seem obvious candidates for the accolade of Manchester United's Penalty King. But none came close to the record of the man the FA once admitted was the greatest outside-left England never had- Charlie Mitten. Now, Ruud van Nistelrooy, latest in the line-up of United hitmen, has closed in on the glorious record. Were he alive today, Mitten would be the first to congratulate the Dutchman. For, above all else, Mitten valued true masters of the beautiful game. 'Cheeky' Charlie Mitten was an ever-present in the first great post-war side which established the legend that is Manchester United today. But he stepped out of line - becoming a trailblazer in the players' contract revolution. Mitten walked out in 1950 to play in South America for a millionaire football baron who was offering riches beyond the dreams of even the brightest soccer stars of Mitten's generation. During one short season with Bogot Santa Fe, he won a place in South American folklore as orchestrator of one of the most sensational upsets in football history - a scratch Colombian XI's defeat of the world champions, Uruguay. Rejecting an offer from Real Madrid, M