Davey Johnson is best known for managing the New York Mets, Cincinnati Reds, and Baltimore Orioles--and taking all three clubs to their respective league championship series during his time at the helm. When teams needed to improve, they hired Johnson, and he delivered, memorably leading the Mets to the 1986 World Series title. Yet even as he raised the bar of their success, all three clubs parted ways with Johnson, a pattern that puzzles him to this...