Williamson returned to full-court, five-on-five work in practice with the Pelicans on Jan. 7. But coach Alvin Gentry and the organization took a non-committal stance about when Williamson would join his teammates on the floor in games. “I think it might be a little different magnitude to this one. This is my first NBA game … this is business now. This is different,” Williamson said of his debut Tuesday.