Yankees' All-Time Retired Numbers
Mariano Rivera's number retired by Yankees - Newsday
Here are the Yankees' 21 retired numbers Who belongs and who doesn't? Andy Pettitte, Jorge Posada, Bernie Williams, more
High and Tight: Our Rock & Roll Baseball Experts Talk Retired Numbers
Yankees Retired Numbers
Yankees to retire Paul O'Neill's No. 21 jersey this summer - Newsday
Yankees retired numbers and the baseball legends who wore them
Mariano Rivera linked to Jackie Robinson for No. 42
HALLOWED GROUND: Monument Park, New York Yankees Museum honor greatest players from most legendary team in sports - Sports Collectors Digest
Yankees Legend Mariano Rivera Becomes First Player Elected To Baseball Hall Of Fame Unanimously - CBS New York
Mariano Rivera - Wikipedia