ADD US TO YOUR SAVED SELLERS LIST! Dallas Chaparrals ABA Basketball Mens embroidered polo shirt. Sizes Extra Small to 6XL. Tall sizes available in LT to 4XLT. Buy with confidence. We are a trusted seller for over 20 years. See our other listings. The Dallas Chaparrals were a charter member of the American Basketball Association (ABA). The team moved to San Antonio, Texas for the 1973–74 season and were renamed the San Antonio Spurs. The Spurs joined the National Basketball Association (NBA) for the 1976–77 NBA season as a result of the ABA–NBA merger.