Ken Griffey Sr. and Jr. become the first father-son duo to ever
On This Day In Sports: August 31, 1990: Griffey Sr. and Jr. Become the First Father/Son Duo to Play Together in The Majors
Ken Griffey Jr. - Wikipedia
Looking back at one of the greatest father-son athlete duos on Father's Day weekend, Feature
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Ken Griffey Jr. – Society for American Baseball Research
Ken Griffey Jr.'s Son Enters His Father's World with Pride at All-Star Celebrity Softball Game, Leaving MLB Legend Beaming - EssentiallySports
Seattle Mariners Ken Griffey Sr. / Ken Griffey Jr. Rare Vintage Throwback Father & Son Duo Cards for Sale in Federal Way, WA - OfferUp
Like Father, Like Son: The Griffeys and other sports family dynasties
Ken Griffey Jr. Takes His Rightful Place in the HOF - Sports Collectors Digest
Vladimir Guerrero joins Vladimir Sr. as first father-son Home Run Derby winners
Vladimir Guerrero joins Vladimir Sr. as first father-son Home Run Derby winners
Bobby and Barry Bonds, Ken Griffey Jr. and Ken Griffey Sr.: Baseball fathers and sons – New York Daily News
Today In 1990: Ken Griffey Sr. & Ken Griffey Jr. of the Seattle Mariners become the first and only father-son duo to hit a HR in the same major league game with