On Aug. 31, 1990, Ken Griffey Jr. and Sr. became the first father
Timeline: Career highlights of Ken Griffey Jr. - Sportspress Northwest
Griffey Jr.'s father recalls son's love of game, celebrates his election to Hall of Fame, New Today
WATCH: Father & son Griffey hit back-to-back HRs
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Ken Griffey Sr. and Jr. become the first father-son duo to ever play together
August 31, 1990: Ken Griffey Jr. and Sr. get back-to-back hits in father-son debut with Mariners – Society for American Baseball Research
WATCH: Father & son Griffey hit back-to-back HRs
Ken Griffey Jr and Ken Griffey Sr Autographed Father / Son Teammates G –
MLB Network on X: On this day in 1990, Ken Griffey Sr. and Ken Griffey Jr. became the first father/son duo to play together in a Major League game! / X
On Aug. 31, 1990, Ken Griffey Jr. and Sr. became the first father-son teammates in MLB history
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