August 15 2008: Center Fielder Ken Griffey Jr. of the Chicago

August 15 2008: Center Fielder Ken Griffey Jr. of the Chicago White Sox during a game at U.S. Cellular Field in Chicago, Illinois. (Mike Janes/Four Seam Images via AP Images Stock Photo

1990 Post Cereal Ken Griffey Jr

August 15 2008: Center Fielder Ken Griffey Jr. of the Chicago White Sox during a game at U.S. Cellular Field in Chicago, Illinois. (Mike Janes/Four Seam Images via AP Images Stock Photo

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August 15 2008: Center Fielder Ken Griffey Jr. of the Chicago White Sox during a game at U.S. Cellular Field in Chicago, Illinois. (Mike Janes/Four Seam Images via AP Images Stock Photo

The Spider-Man catch. The slide. Father-son history -- 15 moments that made Ken Griffey Jr. an MLB icon