A four-person Lakers contingent — with assistant …

The clincher that cemented the Lakers' one-year minimum deal to sign former lottery pick Ziaire Williams that was formally announced Sunday? I'm told that a four-person Lakers contingent — with assistant coaches Nate McMillan and Greg St. Jean joining lead executive Rob Pelinka and senior adviser Kurt Rambis — went to watch the 6-foot-9 Williams at a private workout at trainer Joe Abunassar's Impact Basketball gym in Las Vegas to gauge the state of Williams' game and recent efforts to sharpen his perimeter shooting.