Doug Melvin's going on at least 4. Just looked it up, he's actually only hiring his 3rd this offseason. He was hiring in October 2002, he hired Yost for 2003, then Yost was famously fired in September 2008 and replaced by Dale Sveum. But he was only an interim manager, and to me that doesn't count because it doesn't go against his GM track record. Then after that season he fired Ken Macha for the last 2 years and now will be hiring his 3rd. But Hendry beat him to the punch. I looked up Dombrowski, Jocketty, Colletti, Sabean and none of them have made 3 managerial hires at their current (or St. Louis for Jocketty) position. Does re-hiring the same manager count? It is still a managerial hiring decision.