Major League Baseball celebrates Jackie Robinson Day – The Denver Post
MLB marks 67th anniversary of Jackie Robinson debut
Yankees retire Mariano Rivera's number
Yankees' Mariano Rivera Is the Last No. 42 - The New York Times
Mo makes history
MLB players to wear #42 Monday to honor Jackie Robinson Day
In honor of Jackie Robinson Day, the best athletes to wear No. 42 – New York Daily News
Baseball players don No. 42 to honour Jackie Robinson
Yankees great Mariano Rivera to retire – no one in Major League Baseball history was better at his job than future Hall of Fame closer – New York Daily News
Put No. 42 in the game
New York Yankees - Even though we are not on the field today, we honor Jackie Robinson's contributions to the game of baseball and impact on society. #Jackie42 MLB's 2020 #JackieRobinsonDay Guide
Mariano Rivera Wearing Jackie Robinson's 42 to the End - The New York Times
Jackie Robinson - Wikipedia