Rumors were flying around that this hire was going down, but now, as is reporting, it’s official: Former Mavs assistant Dwane Casey will be the Toronto Raptors’ new head coach: “Just got a call from a Toronto source saying that Mavericks assistant Dwane Casey is expected to be announced as head coach of the Raptors. It could be announced this afternoon. Casey has interviewed twice with the Raptors and their decision has come down to Casey and Boston assistant Lawrence Frank.”