So, following Friday’s victory over the Chicago Bulls, the latest in which Atkinson left the arena irked about a below-standard defensive effort, the Cavs held their usual film session — only this time with a twist. Atkinson treated it as if they were coming off a loss. “We let ‘em know,” Atkinson explained. “I don’t think our defense was very good. I don’t think the guys felt great about how they played again on the defensive end.”