Paul O'Neill's No. 21 to be retired by Yankees
Yankees honor Tino Martinez with Monument Park plaque
New York Yankees honor Paul O'Neill with Monument Park plaque - ESPN
Yankees honor Paul O'Neill with Monument Park plaque
Jeter's No 2 retired by Yanks; Monument Park plaque unveiled
Yankees retire Torre's No. 6 Chattanooga Times Free Press
1996 Yankees 20th Anniversary Retrospective: Paul O'Neill - Pinstripe Alley
Paul O'Neill's career celebrated with Monument Park plaque, by MLB.com/blogs
New York Yankees to retire Paul O'Neill's jersey number during 2022 season - Sports Illustrated NY Yankees News, Analysis and More
Paul O'Neill discusses number retirement by Yankees
O'Neill honored 21 to join Ruth's 3, Gehrig's 4, Yogi's 8
Yankees' retirement of Paul O'Neill's number might be a stretch - Pinstripe Alley