Paul O'Neill's No. 21 to be retired by Yankees
Paul O'Neill: New York Yankees to retire jersey number
New York Yankees - Wikipedia
Yankees to retire Paul O'Neill's No. 21: See the complete list of
Derek Jeter excites Yankees fans with talk of seeing him more
Derek Jeter to make Yankees' Old-Timers Day debut
Derek Jeter's 20 Greatest Teammates - ESPN
1998 Yankees, May 14: Mo falters, the Yankees lose - Pinstripe Alley
I'm Not Embarrassing Myself” - Derek Jeter Participates in
Yankees retire Paul O'Neill's No. 21 jersey, Cashman booed
Mission 27: A New Boss, A New Ballpark, and One Last Ring for the
Derek Jeter: For So Many, No. 2 Will Always Be No. 1 – Hartford
New York Yankees retire Paul O'Neill's No. 21; GM Brian Cashman
Derek Jeter excites Yankees fans with talk of seeing him more