A ranar 17 ga Yuni, 2008, Rivers ya lashe gasar NBA ta farko a matsayin babban koci bayan ya doke Los Angeles Lakers a wasanni shida.
Tabbas, wani nau'i mai rikitarwa na jumla shine "A ranar 17 ga Yuni, 2008, Rivers ya lashe gasar NBA ta farko a matsayin babban kocin, ko da yake Celtics na buƙatar rikodin NBA 26 wasanni na kakar wasa don lashe shi. "