Paul O'Neill's No. 21 to be retired by Yankees
Yankees' retirement of Paul O'Neill's number might be a stretch - Pinstripe Alley
Paul O'Neill on No. 21 retirement Yankees
Bernie Williams has earned Monument Park honors more than Tino Martinez or Paul O'Neill - Sports Illustrated
Jeter honored by Yankees
Yankees honor Tino Martinez with Monument Park plaque
Monument Park Just Ain't What It Used to Be
The Yankees Retire Paul O'Neill's Number 21 - The New York Times
Yankees honor Paul O'Neill with Monument Park plaque
Jeter's Number 2 Retired, Yankees Now Out of Single Digit Jerseys, WNYC News
PAULIE GETS HIS DAY - PressReader
Monument Park (Yankee Stadium) - Wikipedia
What Other Numbers Might the Yankees Be Retiring in the Near Future?
New York Yankees set to retire legendary Paul O'Neill's No. 21
I'm so disappointed I couldn't be there in person - New York Yankees legend Derek Jeter misses teammate Paul O'Neill's jersey retirement