Yankees to retire Paul O'Neill's No. 21: See the complete list of retired numbers
Yankees retire Paul O'Neill's No. 21 jersey, Cashman booed
A Longtime Devotee Examines His Evolving Game - The New York Times
The Yankees Retire Paul O'Neill's Number 21 - The New York Times
WS2001 Gm5: Yankees fans chant for O'Neill in 9th
New York Yankees to retire Paul O'Neill's No. 21
Yankees retire Paul O'Neill's No. 21 jersey, Cashman booed
Paul O'Neill remembered as one of great Yankees
Paul O'Neill and the trade that changed everything - Pinstripe Alley
Paul O'Neill on No. 21 retirement Yankees
New York Yankees star Paul O'Neill tops list of best MLB from Columbus
Happy Paul O'Neill Day! Here are 10 of his greatest moments as a New York Yankee
Paul O'Neill Yankees No. 21 retired
Paul O'Neill calls Yankees jersey retirement 'highest honor