![Bleacher Report on Twitter: "5 titles. 2 MVPs. The Spurs officially retire Tim Duncan's No. 21. #ThankYouTD https://t.co/i8vIcVRYsU" / Twitter Bleacher Report on Twitter: "5 titles. 2 MVPs. The Spurs officially retire Tim Duncan's No. 21. #ThankYouTD https://t.co/i8vIcVRYsU" / Twitter](https://pbs.twimg.com/media/C0Am3ZPUsAAaIEF.jpg)
Bleacher Report on Twitter: "5 titles. 2 MVPs. The Spurs officially retire Tim Duncan's No. 21. #ThankYouTD https://t.co/i8vIcVRYsU" / Twitter
![Clay Williams on Twitter: "The San Antonio Spurs will retire Tim Duncan's #21 jersey in a postgame ceremony on December 18th. https://t.co/1rw1yvANmN" / Twitter Clay Williams on Twitter: "The San Antonio Spurs will retire Tim Duncan's #21 jersey in a postgame ceremony on December 18th. https://t.co/1rw1yvANmN" / Twitter](https://pbs.twimg.com/media/CxaBmEAVEAAKu6k.jpg)
Clay Williams on Twitter: "The San Antonio Spurs will retire Tim Duncan's #21 jersey in a postgame ceremony on December 18th. https://t.co/1rw1yvANmN" / Twitter
![Former Spurs teammate and current friend of Tim Duncan: 'I would be very surprised if he retired' - ProBasketballTalk | NBC Sports Former Spurs teammate and current friend of Tim Duncan: 'I would be very surprised if he retired' - ProBasketballTalk | NBC Sports](https://nba.nbcsports.com/wp-content/uploads/sites/12/2015/04/cd0ymzcznguwzdbhnduynddiytjhm2yyzthlmtjjotqwyyznpwqzzmrjnjhiogjiodg1mzayzdrhndbizmnjzgq0mtfk.jpeg)
Former Spurs teammate and current friend of Tim Duncan: 'I would be very surprised if he retired' - ProBasketballTalk | NBC Sports
![Tim Duncan's No. 21 to Be Retired by Spurs: Latest Details, Reaction | Bleacher Report | Latest News, Videos and Highlights Tim Duncan's No. 21 to Be Retired by Spurs: Latest Details, Reaction | Bleacher Report | Latest News, Videos and Highlights](https://img.bleacherreport.net/img/images/photos/003/639/973/hi-res-ddc11983af368fa1133a0cd9cca2c99a_crop_north.jpg?1479314255&w=3072&h=2048)