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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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Griffey Jr. and Sr. hit back-to-back home runs for Mariners
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Griffey Jr. and Sr. hit back-to-back home runs for Mariners
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WATCH: Father & son Griffey hit back-to-back HRs