What Happens to All Those No. 42 Jerseys? - The New York Times
Jackie Robinson Day 2023: MLB players, teams and legends pay tribute to Jackie Robinson's legacy
April 15, 1997: Ken Griffey Jr. wears number 42 to honor Jackie Robinson on 50th anniversary – Society for American Baseball Research
Ken Griffey Jr. had Jackie Robinson Day idea
MLB to Celebrate Jackie Robinson Day Today – NBC Los Angeles
42 facts about Jackie Robinson to celebrate the 75th anniversary of his breaking the color barrier
No. 42 jersey tribute began in 2007 with Griffey
Major League Baseball remembers No. 42 Jackie Robinson – The Denver Post
Baseball salutes Robinson ahead of annual remembrance
Jackie Robinson - Facts, Quotes & Stats
It's a huge privilege' to wear Jackie Robinson's No. 42