Yankees to retire Paul O'Neill's No. 21 jersey this summer - Newsday
Paul O'Neill stunned Yankees are retiring his number
Yankees to retire Paul O'Neill's No. 21 at Yankee Stadium on August 21st - Pinstripe Alley
Number 21 Continues to Remain Sacred to the New York Yankees, News, Scores, Highlights, Stats, and Rumors
Paul O'Neill 'honored' to be 23rd Yankee with number retired
Paul O'Neill dishes on Yankees (then and now), life in YES booth and being 'blown away' by retired number
Yankees to Retire Paul O'Neill's Number 21
Unvaccinated Paul O'Neill called Yankees game from home
New York Yankees history: Paul O'Neill's number 21 must be retired
Paul O'Neill's No. 21 to be retired by Yankees