Three are no-brainers — Kyle Lowry, DeMar DeRozan and Jonas Valanciunas are locks — and if DeMarre Carroll remains healthy, he’s the fourth sure thing. But when it comes to the fifth, things are a bit cloudy between Jared Sullinger and Patrick Patterson. “I would say Sullinger is the guy now that it would be his to lose, but I reserve the right to change my mind,” Casey said, citing the need to see how that group reacts defensively.