Luka Doncic scored 42 points with 12 assists, Deandre Ayton added 18 points with nine rebounds, and the Los Angeles Lakers extended their winning streak to four games with a 127-113 victory over the Cleveland CavaliersLOS ANGELES — Luka Doncic scored 42 points with 12 assists, Deandre Ayton added 18 points with nine rebounds, and the Los Angeles Lakers extended their winning streak to four games with a 127-113 victory over the Cleveland Cavaliers on Tuesday night.Austin Reaves scored 19 points, while LeBron James, Jake LaRavia and Rui Hachimura each had 14 as the Lakers won shortly after they clinched the Pacific Division title and a top-six spot in the Western Conference playoffs when the Phoenix Suns lost at Orlando earlier Tuesday.Doncic was 13 of 26 from the floor and had his 16th game of at least 40 points this season after he missed Monday’s victory over the Washington Wizards because of technical foul accumulation. James was a game-time decision with continued left foot soreness.Jarrett Allen scored 18 points and James Harden added 17 in his first game in his hometown since he was traded by the Los Angeles Clippers on Feb. 4. Cleveland’s Donovan Mitchell was held to 10 points on 4-of-10 shooting.Thomas Bryant scored 14 points for the Cavaliers, who have already clinched a playoff spot. Cleveland lost for the second time in eight …