Scottie Barnes might have gotten better at his most-needed skill

It happened early in the third quarter of an otherwise ho-hum preseason game. Jakob Poeltl ambled towards Scottie Barnes and set a pick on the wing. All was normal. Until Barnes exploded.He took one dribble towards Poeltl's right shoulder, fitting fairly snugly around the screen. The defender did nothing to respond and smashed into Poeltl, dying on the play. JaVale McGee, playing in drop, stepped up, preparing for Barnes to turn his back and play bully ball, as he usually does. Instead, Barnes b