Derek Harper Night! | New York Knicks, ticket | We are proud to announce that we are officially retiring Derek Harper's jersey number on January 7th, 2018 against the New York Knicks!
![Amazon.com: 1989-90 Hoops Basketball #184 Derek Harper Dallas Mavericks Official NBA Trading Card : Collectibles & Fine Art Amazon.com: 1989-90 Hoops Basketball #184 Derek Harper Dallas Mavericks Official NBA Trading Card : Collectibles & Fine Art](https://m.media-amazon.com/images/I/51pmwyfXCPL.jpg)
Amazon.com: 1989-90 Hoops Basketball #184 Derek Harper Dallas Mavericks Official NBA Trading Card : Collectibles & Fine Art
![Davis, Blackman, Harper reflect on their jersey retirements - The Official Home of the Dallas Mavericks Davis, Blackman, Harper reflect on their jersey retirements - The Official Home of the Dallas Mavericks](https://www.mavs.com/wp-content/uploads/2020/05/Brad-bad-davis-682x1024.jpg)
Davis, Blackman, Harper reflect on their jersey retirements - The Official Home of the Dallas Mavericks
![Amazon.com: 1990-91 Fleer #42 Derek Harper NM-MT Dallas Mavericks Officially Licensed NBA Basketball Trading Card : Collectibles & Fine Art Amazon.com: 1990-91 Fleer #42 Derek Harper NM-MT Dallas Mavericks Officially Licensed NBA Basketball Trading Card : Collectibles & Fine Art](https://m.media-amazon.com/images/I/61cYYLEqmkL._UF1000,1000_QL80_.jpg)
Amazon.com: 1990-91 Fleer #42 Derek Harper NM-MT Dallas Mavericks Officially Licensed NBA Basketball Trading Card : Collectibles & Fine Art
NBA History on X: "Derek Harper #12 @dallasmavs Jersey Retirement (Halftime @nyknicks @dallasmavs 7:00 pm/et NBA League Pass) Rolando Blackman/Derek Harper comprised one of the elite @NBA backcourts in the '80s. The @
![NBA History on X: "Celebrating Derek Harper @DallasMavs career in anticipation of his No. 12 being raised to the rafters (1/7 @NYKnicks @DallasMavs, 7 pm/et NBA League Pass). Harper's jersey retirement will NBA History on X: "Celebrating Derek Harper @DallasMavs career in anticipation of his No. 12 being raised to the rafters (1/7 @NYKnicks @DallasMavs, 7 pm/et NBA League Pass). Harper's jersey retirement will](https://pbs.twimg.com/media/DS4VFHfWAAERLtQ.jpg)