Jackie Robinson Day, when MLB players can wear No. 42
Angels and Mariners lock arms in show of support on Jackie Robinson Day – Orange County Register
Why every MLB player is wearing No. 42 on Monday
A very special Jackie Robinson Day to celebrate the 75th Anniversary of Jackie joining MLB
Now honoring No. 42: Jackie Robinson Day in majors - The San Diego Union-Tribune
MLB celebrates Jackie Robinson Day: 15-16 April - World Baseball Softball Confederation
MLB celebrates 75th anniversary of Jackie Robinson's debut
VOICES: Jackie Robinson Day is much bigger than baseball - The Atlanta Voice
MLB brings back No. 42 for Jackie Robinson Day
San Diego Padres: Celebrating Jackie Robinson Day
42: Jackie Robinson Day - We R Tacoma