With the dog days of summer upon us, the NBA’s offseason news cycle has slowed to a halt. Most of the major free agents have signed new contracts, summer league has passed, and many executives are just returning from post-summer league vacations. Contending teams across the league — particularly in the Eastern Conference — have seemingly improved. The Celtics added Malcolm Brogdon and Danilo Gallinari to provide depth behind their elite starting lineup, the Sixers signed P.J. Tucker to add toughness and versatility, and the Bulls bolstered their bench with veterans Goran Dragic and Andre Drummond. The Bucks did their…