![Tino Martinez, Jorge Posada, Paul O'Neill and Mariano Rivera](http://www.supersportscenter.com/cdn/shop/products/s-l1600_97ccd240-b58f-41d8-a7c7-4ac0c4b11c9a_1024x1024.jpg?v=1677798123)
1997 Yankees (32) Torre, Rivera, O'Neill Posada +28 Signed
![Tino Martinez, Jorge Posada, Paul O'Neill and Mariano Rivera](https://www.si.com/.image/t_share/MTY4MjU5MjQwMTYxNTE5NDg5/mariano-rivera-ap21jpg.jpg)
Mariano Rivera's top nine moments at Yankee Stadium - Sports
![Tino Martinez, Jorge Posada, Paul O'Neill and Mariano Rivera](https://img.bleacherreport.net/img/images/photos/001/738/287/124909130_crop_north.jpg?1339177903&w=3072&h=2048)
Mariano Rivera's First Post-Season Appearance Was Long but Typical
![Tino Martinez, Jorge Posada, Paul O'Neill and Mariano Rivera](https://www.si.com/.image/ar_1:1%2Cc_fill%2Ccs_srgb%2Cfl_progressive%2Cq_auto:good%2Cw_1200/MTY4MjU5MzU2MTI4MzIzNDU3/rivera-reiterjpg.jpg)
Mariano Rivera honored in ceremony with ex-teammates, Metallica
![Tino Martinez, Jorge Posada, Paul O'Neill and Mariano Rivera](https://static01.nyt.com/images/2014/08/10/sports/YANKEES/YANKEES-superJumbo.jpg)
Loss Isn't Only Reminder That Era of Yankees' Dominance Has Waned
![Tino Martinez, Jorge Posada, Paul O'Neill and Mariano Rivera](https://www.northjersey.com/gcdn/presto/2022/08/21/PNJM/6761c7f6-1201-49a6-8bac-94658a32a8d3-20220821_jcd_si5_048.JPG?width=700&height=467&fit=crop&format=pjpg&auto=webp)
NY Yankees retire Paul O'Neill's No. 21
![Tino Martinez, Jorge Posada, Paul O'Neill and Mariano Rivera](https://static01.nyt.com/images/2022/08/21/sports/21mlb-Yankees-teammates/21mlb-Yankees-teammates-articleLarge.jpg?quality=75&auto=webp&disable=upscale)
As Paul O'Neill's No. 21 Is Retired, One Last Kick of a Water
![Tino Martinez, Jorge Posada, Paul O'Neill and Mariano Rivera](https://cloudfront-us-east-1.images.arcpublishing.com/advancelocal/PJKEFDBO2ZH5JKRKDUWLVO54LY.jpg)
Paul O'Neill Number Retirement before Yankees vs. Blue Jays on
![Tino Martinez, Jorge Posada, Paul O'Neill and Mariano Rivera](https://nbcsports.brightspotcdn.com/dims4/default/11e811b/2147483647/strip/true/crop/586x330+0+36/resize/1440x810!/quality/90/?url=https%3A%2F%2Fnbc-sports-production-nbc-sports.s3.us-east-1.amazonaws.com%2Fbrightspot%2F4a%2F40%2F26763ae900472dfd54098052c366%2Fmariano-rivera-42-getty.png)
No. 42 retired forever in a touching Mariano Rivera pregame
![Tino Martinez, Jorge Posada, Paul O'Neill and Mariano Rivera](https://images.pristineauction.com/268/2684473/main_1-1996-New-York-Yankees-Team-Ball-Derek-Jeter-Bernie-Williams-Tino-Martinez-18-Signed-Auto-Autograph-Baseball-Steiner-PristineAuction.com.jpg)
1996 New York Yankees Team Ball Derek Jeter, Bernie Williams, Tino
![Tino Martinez, Jorge Posada, Paul O'Neill and Mariano Rivera](https://images.pristineauction.com/18/185811/main_3-1997-Yankees-Team-Signed-OAL-Baseball-Signed-by-32-with-Derek-Jeter-Mariano-Rivera-Andy-Pettitte-Paul-O-Neill-Wade-Boggs-Tino-Martinez-Jorge-Posada-JSA-PristineAuction.com.jpg)
1997 Yankees Team-Signed OAL Baseball Signed by (32) with Derek
![Tino Martinez, Jorge Posada, Paul O'Neill and Mariano Rivera](https://img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1024/mlb/zrd6usufvvcbj4tyrbnk)
Paul O'Neill Yankees No. 21 retired
![Tino Martinez, Jorge Posada, Paul O'Neill and Mariano Rivera](https://dims.apnews.com/dims4/default/6fedcdf/2147483647/strip/false/crop/3000x2001+0+0/resize/1486x991!/quality/90/?url=https%3A%2F%2Fstorage.googleapis.com%2Fafs-prod%2Fmedia%2F6e8eec71aa4a4d129b1e47c0f9976908%2F3000.jpeg)
New York Yankees to retire Paul O'Neill's No. 21 on Aug. 21