How Paul O'Neill Stacks Up Against the Other Yankees With Retired Numbers
Former teammates, coaches weigh in on Paul O'Neill ahead of Yankees' number retirement
New York Yankees Archives - Sportscasting
Paul O'Neill's No. 21 to be retired by Yankees
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How does Paul O'Neill's career stack up to other Yankees?
NY Yankees royalty honored as Paul O'Neill's No. 21 is retired
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What Other Numbers Might the Yankees Be Retiring in the Near Future?
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New York Yankees Archives - Sportscasting