If the Boston Red Sox retired numbers like the New York Yankees do
The Yankees Retire Paul O'Neill's Number 21 - The New York Times
Yankees to retire Paul O'Neill's No. 21: See the complete list of retired numbers
Boston Red Sox Retired Numbers Along Fenway Park Photograph by Juergen Roth
Boston Red Sox Retired Numbers Along Fenway Park by Juergen Roth
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Red Sox Retired Numbers
There's no one way to be a Boston sports fan
Yankees retired numbers: A look at all of the jersey numbers players cannot wear in the Bronx
New York Yankees retired numbers: Is team too generous? - Sports Illustrated
Red Sox Retired Numbers
The Yankees have a lot of retired numbers. Other teams should try to be more like them. - NBC Sports
New York Yankees to retire Paul O'Neill's No. 21 on Aug. 21
