On Mariano Rivera's Retirement - Bleed Cubbie Blue
Yankees' Aaron Boone witnessed roots of Jackie Robinson Day, a 'great thing for America and our game'
Jackie Robinson Day Museum of the City of New York
The last of the 42's
Jackie Robinson Day Something That Baseball Does Right Every Year - Sports Illustrated Tampa Bay Rays Scoop News, Analysis and More
Mariano Rivera's number retired by Yankees - Newsday
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Rivera closes a game that saw every player wear Jackie Robinson's #42
2019 MLB Hall Of Fame Inductee Mariano Rivera Was Motivated To Honor Jackie Robinson's Legacy By Wearing No. 42
Last player to wear No. 42 for each MLB team
In honor of Jackie Robinson Day, the best athletes to wear No. 42 – New York Daily News
42 things you need to know about Mariano Rivera - Sports Illustrated