Last month, ESPN reported that the Bucks were actively taking calls on Giannis Antetokounmpo after a disappointing 32-50 season that ended without a playoff appearance . Bucks ownership has also indicated that a decision on the superstar's future could come before next week's NBA Draft. While Boston has been one of the most discussed destinations in recent days, Washburn suggested the Celtics are still trying to determine whether a deal is even practical. According to him, one of the central questions is whether Boston could acquire Antetokounmpo without breaking up its core. “I don’t think that the Celtics [are] shopping Jaylen Brown in this deal,” Washburn said. “I think they’re trying to figure out how to get him without Jaylen.” That challenge has followed nearly every team linked to Giannis. Previous reporting has indicated that Milwaukee's asking price remains steep, with the Bucks seeking a combination of premium young talent and significant draft compensation.…