Baseball-Reference.com - On this day in 1969, future Hall of Famer Ken Griffey, Jr. was born in Donora, PA
April 10, 2000: Ken Griffey Jr. becomes youngest player to hit 400 home runs – Society for American Baseball Research
April 15, 1997: Ken Griffey Jr. wears number 42 to honor Jackie Robinson on 50th anniversary – Society for American Baseball Research
It's Expos, not Griffey
Ken Griffey Jr.'s hatred for the Yankees has a deep-rooted story
With Ken Griffey Jr.'s help, MLB hosts HBCU All-Star Game hoping to create opportunity for Black players
The Dream of the '90s Baseball Hall of Fame
July 13, 1993: At Camden Yards' first All-Star Game, a prodigious blast and the boo birds – Society for American Baseball Research
Ken Griffey Jr. and Mike Piazza inducted into Hall of Fame, Sports
Ken Griffey Jr. hired as MLB senior adviser for youth development
Ken Griffey, Jr., Biography, Statistics, & Facts
With Griffey's help, MLB hosts HBCU All-Star Game
Ken Griffey Jr. 2008 SPX American Hero Parallel SSP /725 #KG20 - SEA Mariners
Recalling memorable 1998 Home Run Derby when Ken Griffey Jr. turned Coors Field into “a great spectacle” – Canon City Daily Record
August 31, 1990: Ken Griffey Jr. and Sr. get back-to-back hits in father-son debut with Mariners – Society for American Baseball Research