Jackie Robinson Day - Wikipedia
Major League Baseball remembers No. 42 Jackie Robinson – The Denver Post
MLB players to wear #42 Monday to honor Jackie Robinson Day
Who was the last player to wear No. 42 for each team?
Why every MLB player is wearing No. 42 on Monday
Yankees stars reflect on the significance of Jackie Robinson
number 42 John Jeansonne
D-backs to host Jackie Robinson Day events during homestand vs. Mets
What Happens to All Those No. 42 Jerseys? - The New York Times
Now honoring No. 42: Jackie Robinson Day in majors - The San Diego Union-Tribune
The only day MLB players can wear No. 42? Jackie Robinson Day
Angels and Mariners lock arms in show of support on Jackie Robinson Day – Orange County Register