Hawks’ encouragement has Zuby Ejiofor showing signs of improving skill that’s critical to his NBA success

LAS VEGAS — Zuby Ejiofor’s defense and indefatigable motor got him to the NBA. But his shooting will determine his success now that he’s there. That’s why Atlanta has encouraged — no, ordered — Ejiofor to let it fly in summer league. And the rookie from St. John’s has done just that, to encouraging results....