Did you know Mariano Rivera almost wasn't 42 because of Reggie Jackson?, Bronx Pinstripes
Remembering Mariano Rivera's final game - Pinstripe Alley
Yankees' Mariano Rivera Is the Last No. 42 - The New York Times
MLB celebrates Jackie Robinson 75 years after debut
YANKEES/GIANTS--Jackie Robinson Plaque w/Mariano Rivera
Mariano Rivera linked to Jackie Robinson for No. 42
Major League Baseball celebrates Jackie Robinson Day – The Denver Post
Yankees honour Rivera in pre-game ceremony
Another honor for baseball's No. 42
Jackie Robinson Day - Wikipedia