Hale Irwin will be the first person to tell you that he has never mastered the mechanics of golf: His swing isn't flawless, he isn't the best putter on the green, he isn't the most powerful driver -- but the one thing he has perfected is the art of winning. With more than twenty career victories and the only player since World War II to win three consecutive Senior Tour Championships, Irwin has consistently won where technique-driven players have...