LeBron James and Anthony Davis combined for 63 points -- 30 of them in the fourth quarter -- as the Los Angeles Lakers held off the Sacramento Kings 131-127 Saturday to improve to 3-0 in the young NBA season.The Los Angeles Clippers also came through in the clutch as Norman Powell scored 22 of his 37 points in the fourth quarter of a 109-104 victory over three-time NBA Most Valuable Player Nikola Jokic and the Denver Nuggets.