George Kenneth Griffey Jr. (1969-) nicknamed "Junior" and "the Kid", is an American former professional baseball outfielder who played 22 years in Major League Baseball (MLB). He spent most of his career with the Seattle Mariners and Cincinnati Reds. A member of the Baseball Hall of Fame and a 13-time All-Star, Griffey is one of the most prolific home run hitters in baseball history; his 630 home runs rank as the seventh-most in MLB history. Signed A.L. (Budig) ball. LOA from Todd Mueller Autographs included along with our COA.