Harmon Killebrew was an American professional baseball first baseman, third baseman, and left fielder. During his 22-year career in Major League Baseball (MLB), primarily with the Minnesota Twins, Killebrew was a prolific power hitter who, at the time of his retirement, was second only to Babe Ruth in American League (AL) home runs and was the AL career leader in home runs by a right-handed batter (since broken by Alex Rodriguez). He was inducted into the National Baseball Hall of Fame in 1984. Harmon Killebrew has hand signed this Official Rawlings Major League Baseball (Selig) with HOF 84 inscription. Bold Blue Full pristine sweet spot signature. Certificate of Authenticity from Athlon Sports Collectibles. Also included is the Jan 24, 2002 Sworn Affidavit/Certificate of Authenticity from Ohio Notary Public.