Did you know Mariano Rivera almost wasn't 42 because of Reggie Jackson?, Bronx Pinstripes
Yankees Retired Numbers - Who Are The 22 Yankees Who Wore Them
Mariano Rivera the Last to Wear Jackie Robinson's No. 42 - Parade
Mariano Rivera uniform retirement patch (via @theemblemsource) : r/baseball
Yankees want to stop issuing uniform numbers to managers, coaches because they're running out
Legacy of 42: Mariano Rivera's place in history
Mariano Rivera to retire after 2013 season - Pinstripe Alley
Mariano Rivera and five great Yankee farewells, New York Yankees
Yankees' Mariano Rivera Is the Last No. 42 - The New York Times
Mariano Rivera's Retirement: How to Send Off a Legend - WSJ
Who were the first and last Yankees players to wear the retired numbers? - Pinstripe Alley