Donald Arthur Mattingly is an American professional baseball first baseman, coach and manager.
Mattingly is currently the manager of the Los Angeles Dodgers of Major League Baseball.
Nicknamed "The Hit Man" and "Donnie Baseball", he spent his entire 14-year career playing for the New York Yankees.
Mattingly graduated from Reitz Memorial High School in Evansville, Indiana, and was selected by the Yankees in the amateur draft.
Debuting with the Yankees in 1982 after three seasons in minor league baseball, Mattingly emerged as the Yankees' starting first baseman after a successful rookie season in 1983.
Mattingly was named to the American League All-Star team six times.
He won nine Gold Glove Awards, three Silver Slugger Awards, the 1984 AL batting title, and was the 1985 AL Most Valuable Player.
Mattingly served as captain of the Yankees from 1991 through 1995, when he retired as a player.
The Yankees retired Mattingly's uniform number, 23, after his retirement.
He has also received consideration for induction to the National Baseball Hall of Fame, though he has not been elected.