The Milwaukee Bucks’ 97-81 triumph over the Oklahoma City Thunder in the NBA Cup final was more than just a win. As streamers fell from the T-Mobile Arena ceiling, Giannis Antetokounmpo and Damian Lillard celebrated a moment that showcased unity, determination, and a burgeoning sense of purpose. For the Bucks, it wasn’t just about proving their potential but cementing their journey toward postseason readiness.

While this victory was significant for Milwaukee, it meant even more for the league. The NBA Cup, in its second year, has matured from a novel experiment into...