Layups: Asked about the Bulls picking up struggling guard Cameron Payne's option, coach Fred Hoiberg revealed Payne left summer league to attend to his ill grandmother. Hoiberg also said Payne's next CT scan for the bone he has broken three times and had surgery on twice is Nov. 3. The Bulls hope Payne will be ready around Jan. 1. "He could help this team when he gets healthy by getting into the paint and making plays," Hoiberg said. ...Hoiberg said Nikola Mirotic has yet to begin the supervised light activity that executive vice president John Paxson said could happen as early as Saturday. ... Thunder coach Billy Donovan, on the team's charter plane suffering nose damage, mechanical issues and a drop in altitude on the flight to Chicago: "I've been on a lot worse."