Ken Griffey, Sr. and Ken Griffey, Jr. hit back-to-back homeruns, becoming the only father-son duo to achieve this feat. On …

Ken Griffey, Sr. and Ken Griffey, Jr. hit back-to-back homeruns, becoming the only father-son duo to achieve this feat. On …

Ken Griffey Sr. and Jr. make history! They hit BACK-TO-BACK home runs!

Ken Griffey Jr. explains how he learned so much about hitting from batting behind his father

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

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

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The Griffey 50 The Griffeys Go Back to Back

Ken Griffey Sr & Ken Griffey Jr hit back to back home runs. First father/son duo to hit home runs in the same game. : r/sports

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

Hot Clicks: Classic Photos of Ken Griffey Jr. - Sports Illustrated

Ken Griffey Sr. and Ken Griffey Jr. Make Father-Son History With Back-to-Back Home Runs - FanBuzz

WATCH: Legendary Father-Son Duo of Ken Griffey Sr. and Jr. Steal Baseball Fans' Hearts at 'Field of Dreams' With a Throwback Moment That Has Us Tearing Up - EssentiallySports

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