Donald Arthur Mattingly (born April 20, 1961)[1] is an American former professional baseball first baseman, coach, and current manager for the Miami Marlins of Major League Baseball (MLB). Nicknamed "The Hit Man" and "Donnie Baseball", he spent his entire 14-year career playing with the New York Yankees and later managed the Los Angeles Dodgers for five years. Mattingly graduated from Reitz Memor... show more