Kyrie Irving scored 12 points and played 18 minutes in his season debut and LeBron James had 23, leading the Cleveland Cavaliers to a 108-86 victory Sunday over the Philadelphia 76ers, who lost their 10th straight and fell to 1-28. Irving was on the floor for the first time since breaking his left kneecap in Game 1 of the NBA Finals against Golden State. The Cavs managed without him, going 17-7 to start the season.