Ken Griffey Jr and Sr Seattle Seattle Mariners India

August 31, 1990: Ken Griffey Jr. and Sr. get back-to-back hits in father-son debut with Mariners – Society for American Baseball Research

132 Ken Griffey Sr Ken Griffey Jr Photos & High Res Pictures - Getty Images

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

Seattle Mariners, History & Notable Players

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

On Aug. 31, 1990, Ken Griffey Jr. and Sr. became the first father-son teammates in MLB history

Ken Griffey Jr. opens up about fatherhood and Griffey Sr. in 'Junior' documentary on Father's Day

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

Ken Griffey Jr. is still trying to make baseball cool, Baseball

TSN Archives: Tracking Ken Griffey Jr.'s meteoric rise from No. 1 pick to MLB star

Sept. 14, 1990: When the Griffeys made history with back-to-back homers

Baseball Sports Trading Cards Ken Griffey Jr. 22B-KGriffey05 – Angels Auction

Mariners Announce 2019 Minor League Award Winners, by Mariners PR

Ken Griffey Jr Once Rejected Yankees Over Childhood Dugout Incident

With Griffey's help, MLB hosts HBCU All-Star Game hoping to create opportunity for Black players - The San Diego Union-Tribune