![April 15, 1997: Ken Griffey Jr. wears number 42 to honor Jackie Robinson on 50th anniversary – Society for American Baseball Research](https://upload.wikimedia.org/wikipedia/commons/thumb/2/2d/Jackie_Robinson%2C_Brooklyn_Dodgers%2C_1954.jpg/220px-Jackie_Robinson%2C_Brooklyn_Dodgers%2C_1954.jpg)
Jackie Robinson Day - Wikipedia
![April 15, 1997: Ken Griffey Jr. wears number 42 to honor Jackie Robinson on 50th anniversary – Society for American Baseball Research](https://baseballhall.org/sites/default/files/inline-images/20220415RT_0685105.jpg)
The Black Baseball Initiative
![April 15, 1997: Ken Griffey Jr. wears number 42 to honor Jackie Robinson on 50th anniversary – Society for American Baseball Research](https://cdn.britannica.com/87/228387-050-07C9034D/American-baseball-player-Jackie-Robinson-c1947-Brooklyn-Dodgers.jpg)
Jackie Robinson Biography, Statistics, Number, Facts, & Legacy
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Original 1939 Hall of Fame Induction Photo Leads Off RMY June Auction
![April 15, 1997: Ken Griffey Jr. wears number 42 to honor Jackie Robinson on 50th anniversary – Society for American Baseball Research](http://dev.sabr.org/wp-content/uploads/2016/01/GriffeyKenJr-headshot-NBLMangin.jpg)
Ken Griffey Jr. – 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](https://static01.nyt.com/images/2007/04/13/sports/13jackie.3.190.jpg?quality=75&auto=webp&disable=upscale)
A Measure of Respect for Jackie Robinson Turns Into a Movement
![April 15, 1997: Ken Griffey Jr. wears number 42 to honor Jackie Robinson on 50th anniversary – Society for American Baseball Research](https://ca-times.brightspotcdn.com/dims4/default/6285a57/2147483647/strip/true/crop/2303x1209+0+0/resize/1200x630!/quality/75/?url=https%3A%2F%2Fcalifornia-times-brightspot.s3.amazonaws.com%2F90%2F88%2F824aaca54e398e1c67e0e1873f3b%2Fcorrection-jackie-robinson-museum-baseball-84370.jpg)
Jackie Robinson Museum devoted to civil rights, off-field work
![April 15, 1997: Ken Griffey Jr. wears number 42 to honor Jackie Robinson on 50th anniversary – Society for American Baseball Research](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/pgylawqvsuarihmia45x)
Jackie Robinson Nike Air Force 1
![April 15, 1997: Ken Griffey Jr. wears number 42 to honor Jackie Robinson on 50th anniversary – Society for American Baseball Research](https://cdn.uni-watch.com/app/uploads/2018/04/jrr-patch-2018.jpeg)
Remembering Jackie Robinson Day
![April 15, 1997: Ken Griffey Jr. wears number 42 to honor Jackie Robinson on 50th anniversary – Society for American Baseball Research](https://h2j7w4j4.stackpathcdn.com/wp-content/uploads/2020/11/1989_Griffey_F.jpg)
SABR 50 at 50: Baseball Cards – Society for American Baseball Research
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April 15, 22, 2022. Ken Griffey Jr attend Jackie Robinson Day 2022