Robert Paul "Bob" Melvin (born October 28, 1961) is the manager of the Oakland Athletics, and a former Major League Baseball catcher.During a 10-year playing career, he played from 1985–94 for seven different teams. In his eight-year managing career, he has managed the Seattle Mariners (2003–04), the Arizona Diamondbacks (2005–09), and the Oakland Athletics (2011–present).