The Yankees' No. 6 Looks Back - The New York Times
Yankees retire Joe Torre's No. 6
New York Yankees to retire former manager Joe Torre's No. 6 jersey
Yankees Will Retire Torre's No. 6 - The New York Times
Volpe becomes 20-20 player as Yankees lose to Tigers 4-3 in 10-inning series finale - The San Diego Union-Tribune
Yankees to retire Paul O'Neill's No. 21 jersey this summer - Newsday
Monument Park (Yankee Stadium) - Wikipedia
Joe Torre Interview: The Yankees' No. 6 Looks Back
Derek Jeter will be final single-digit number retired by Yankees - Newsday