The Yankees Retire Paul O'Neill's Number 21 - The New York Times
MMO Fan Shot: Say Hey and Retire No. 24 Next - Metsmerized Online
Every unofficially retired number in baseball : r/baseball
Dodgers Retired numbers Dodgers, Don sutton, Sandy koufax
New York Yankees - Wikipedia
The Unofficial Dodgers Trivia, Puzzle & History Book: Dale
Whose number should the Dodgers retire? - Los Angeles Times
The Dodgers 'unofficial' retired number
Phillies should be retiring Cole Hamels' No. 35 instead of giving