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August 31, 1990: Ken Griffey Jr. and Sr. get back-to-back hits in father-son debut with Mariners – Society for American Baseball Research
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On Aug. 31, 1990, Ken Griffey Jr. and Sr. became the first father-son teammates in MLB history
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Bobby and Barry Bonds, Ken Griffey Jr. and Ken Griffey Sr.: Baseball fathers and sons – New York Daily News
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Griffey Jr.'s father recalls son's love of game, celebrates his election to Hall of Fame, New Today
Authenticity 100% Guaranteed. All Ken Griffey Jr items that Gateway has submitted to JSA for authentication have passed. Player(s): Ken Griffey and
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Ken Griffey Jr and Ken Griffey Sr Autographed Father / Son Teammates G
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Ken Griffey, Jr. - Students, Britannica Kids
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MLB Network to Air Ken Griffey Jr. Special on Father's Day - InsideHook
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Ken Griffey Jr. and Sr. hit back-to-back home runs
![August 31, 1990: Ken Griffey Jr. and Sr. get back-to-back hits in](https://baseballhall.org/sites/default/files/styles/story_popup_thumb_540/public/Griffey%20Ken%20Sr%20794.92_Bat_NBL.jpg.jpeg?itok=LE5Enh9J)
Griffey Jr. and Sr. hit back-to-back home runs for Mariners
![August 31, 1990: Ken Griffey Jr. and Sr. get back-to-back hits in](http://mlb.mlb.com/images/0/2/2/94648022/091414_sea_griffey_hr_twitter_1r703e01.gif)
On Aug. 31, 1990, Ken Griffey Jr. and Sr. became the first father-son teammates in MLB history
![August 31, 1990: Ken Griffey Jr. and Sr. get back-to-back hits in](https://img.mlbstatic.com/mlb-images/image/private/ar_16:9,g_auto,q_auto:good,w_1024,c_fill,f_jpg,dpr_3.0/mlb/qtruruik5mvuomnemog5)
Ken Griffey Jr. and Sr. hit back-to-back home runs