The NBA has launched a probe of the Los Angeles Lakers after Indiana complained they improperly approached Pacers star Paul George while he was still under contract to the team. "At the request of the Indiana Pacers, the NBA opened an investigation into alleged tampering by the Los Angeles Lakers," the league said in a statement from spokesman Mike Bass. "The independent investigation is being conducted by the law firm Wachtell, Lipton, Rosen & Katz.