Sports Oscar Robertson, NBA legends ‘crawled on our hands’ to form NBRPA. Now, it turns 30. July 9, 2022July 9, 2022 Cydney Henderson, USA TODAY Comments Off on Oscar Robertson, NBA legends ‘crawled on our hands’ to form NBRPA. Now, it turns 30. The National Basketball Retired Players Association is celebrating its 30th anniversary. The NBA legends who helped form it tell the story.