Ken Griffey Jr. retires at age 40 with 630 homers - The San Diego Union-Tribune
Ken Griffey Jr. – Society for American Baseball Research
August 31, 1990: Ken Griffey Jr. and Sr. get back-to-back hits in father-son debut with Mariners – Society for American Baseball Research
2017 UCLA Football Information Guide by UCLA Athletics - Issuu
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The Kid provides The Show: Griffey Jr. wows in San Diego - The San Diego Union-Tribune
Ken Griffey, Jr. Baseball Stats by Baseball Almanac
07-27-18 Edition, PDF, Oregon
Baseball Media Guide by Alabama Crimson Tide - Issuu
Ken Griffey Sr. and Jr. make history! They hit BACK-TO-BACK home runs!
Ken Griffey Jr. and Sr. Hitting Back-to-Back Home Runs is Still the Coolest Father-Son Moment in Sports History
The Lake City reporter
Ken Griffey Sr. and Ken Griffey Jr. Make Father-Son History With Back-to-Back Home Runs - FanBuzz
Baseball Bench Coach
Topps – Page 4 – SABR's Baseball Cards Research Committee
Secretariat's Image Gallery
