Yankees retired numbers: Paul O'Neill latest to be added to list
Yankees to retire Paul O'Neill's No. 21: See the complete list of retired numbers
Yankees star Jeter to retire after 2014 season
Yankees slugger Aaron Judge ties AL record with 61st home run of season - The Globe and Mail
Yankees Retired Numbers - Who Are The 22 Yankees Who Wore Them
Astros sweep Yankees and will play Phillies in World Series - Los Angeles Times
Yankees retired numbers and the baseball legends who wore them
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Bud Metheny – Society for American Baseball Research