New York Yankees: The Numbers on the Wall
New York Yankees retired numbers: Is team too generous? - Sports Illustrated
Every NHL team's likely next retired number
Astros approach magic number after pummeling Mariners
MLB® The Show™ - MLB® The Show™ 23 Celebrates Fernando “El Toro” Valenzuela's Number Retirement
Houston Texans are among NFL teams who won't retire jersey numbers
Can the Houston Astros Stretch Their Dynasty for One More Year?
The Yankees have a lot of retired numbers. Other teams should try to be more like them. - NBC Sports
Mets Retire Number of Keith Hernandez - The New York Times
Rich tradition of retired numbers part of game's legacy
Mets retire Willie Mays' number in Old-Timers' Day surprise