On the eve of the NBA draft, Shai Gilgeous-Alexander paraded through the streets of Oklahoma City, shirtless and with a Canadian flag wrapped around his waist. Joy finally infiltrated his cool and quiet demeanor. He swaggered about, embracing being The Man, leaning into his full superstar identity: champion, deadly scorer, regular-season and Finals MVP, the latest player born outside the United States to stake a claim as the best hooper in the world.