Yankees to retire Paul O'Neill's number prior to August game
Yankees' retirement of Paul O'Neill's number might be a stretch
Paul O'Neill dishes on Yankees (then and now), life in YES booth
Number 21 Continues to Remain Sacred to the New York Yankees
Paul O'Neill Day: Who will Yankees honor in Monument Park next?
Paul O'Neill (baseball) - Wikipedia
New York Yankees - 8.21.22 Paul O'Neill's No. 21 enters Monument
New York Yankees to retire Paul O'Neill's No. 21
New York Yankees history: Paul O'Neill's number 21 must be retired