Don Mattingly is an American professional baseball first baseman, coach and current manager of the Miami Marlins. 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 emerged as the Yankees' starting first baseman after a successful rookie season in 1983. Mattingly was named to the American League (AL) 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.
This Don Mattingly autograph is boldly signed in blue Sharpie pen and has been authenticated by one of the world's premier autograph authentication services - JSA, This item comes with matching JSA Certificate.