![Yankees retire Paul O'Neill's No. 21 jersey, Cashman booed](https://thespun.com/.image/ar_1:1%2Cc_fill%2Ccs_srgb%2Cfl_progressive%2Cq_auto:good%2Cw_1200/MTgzMTI4MjU5NjM3NDg2OTQ0/baltimore-orioles-v-new-york-yankees.jpg)
Look: Derek Jeter Sends Message After Missing Sunday Ceremony
![Yankees retire Paul O'Neill's No. 21 jersey, Cashman booed](https://i.ytimg.com/vi/U6A8FKEsc8E/mqdefault.jpg)
Yankees Stadium Hijacked by Boos as Infuriated Fans Proclaim
![Yankees retire Paul O'Neill's No. 21 jersey, Cashman booed](https://nypost.com/wp-content/uploads/sites/2/2022/08/Hal-Steinbrenner-booed-Yankees.jpg?quality=75&strip=all)
Yankees fans boo Hal Steinbrenner during Paul O'Neill ceremony
![Yankees retire Paul O'Neill's No. 21 jersey, Cashman booed](https://res.cloudinary.com/graham-media-group/image/upload/f_auto/q_auto/c_thumb,w_700/v1/media/gmg/B3HRJJF2OZDGHPUK5KA5WUZCQY.jpg?_a=ATO2Bfe0)
Brian_Cashman
![Yankees retire Paul O'Neill's No. 21 jersey, Cashman booed](https://upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Paul_O%27Neill_1996.jpg/170px-Paul_O%27Neill_1996.jpg)
Paul O'Neill (baseball) - Wikipedia
![Yankees retire Paul O'Neill's No. 21 jersey, Cashman booed](https://i.ytimg.com/vi/QVTHPSja9JU/maxresdefault.jpg)
New York Yankees history: Paul O'Neill's number 21 must be retired
![Yankees retire Paul O'Neill's No. 21 jersey, Cashman booed](https://external-preview.redd.it/gfEXjcK0OqMH6YFM5olRHKECyzuufKdHXr6Ip7ivmeE.jpg?format=pjpg&auto=webp&s=0fff0093b687bdf4fce1c2b5041773cb3d41c525)
Highlight] Paul O'Neill's #21 is enshrined forever in Monument
![Yankees retire Paul O'Neill's No. 21 jersey, Cashman booed](https://i.ytimg.com/vi/2txfHccQrlg/maxresdefault.jpg)
New York Yankees history: Paul O'Neill's number 21 must be retired
![Yankees retire Paul O'Neill's No. 21 jersey, Cashman booed](https://res.cloudinary.com/graham-media-group/image/upload/f_auto/q_auto/c_thumb,w_700/v1/media/gmg/YUHAYLAVT5FT3GD5FSEID54T5M.jpg?_a=ATAPphC0)
Aaron_Boone