Ken Griffey Sr. and Jr. become first father/son combo to appear in the same lineup

In 1990, the Griffeys became the first father-son pair to play in the same Major League lineup

Ken Griffey Sr. and Jr. become first father/son combo to appear in the same lineup

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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. & Sr. Playing Together August 31st, 1990 🗓 32 years ago, Ken Griffey Jr. and Sr. became the first father-son combo in MLB history to take the field

WATCH: Father & son Griffey hit back-to-back HRs

Griffey Jr. and Sr. hit back-to-back home runs for Mariners

Ken Griffey Jr. and Sr. on Baseball, Cancer and Hall of Fame Speeches

Fielders, Griffeys and father-son duos that shared a slug-gene