David Rittich made 28 saves for the Los Angeles Kings in a 3-1 win against the visiting Anaheim Ducks on Saturday night.Pierre-Luc Dubois, Matt Roy and Kevin Fiala scored for the Kings (43-26-11, 97 points), who moved three points ahead of the Vegas Golden Knights for third place in the Pacific Division with two games left for Los Angeles and three for Vegas.Los Angeles, which clinched its third straight berth in the postseason with a 4-1 win against the Calgary Flames on Thursday, has won eight straight at home, the longest home-winning streak since Los Angeles won its first eight home games to start the 2010-11 season.Trevor Zegras scored and Lukas Dostal made 25 saves for the Ducks (26-50-5, 57 points), who were coming off a 6-3 loss to the visiting Flames on Friday and have lost 9 of 11 overall (2-7-2).Anaheim rookie defenseman Olen Zellweger was in the penalty box for tripping Quinton Byfield when Dubois scored to give the Kings a 1-0 lead at 2:45 of the second period.Viktor Arvidsson and Adrian Kempe batted the puck around in front of the crease until it came to Dubois at the side of the net, and he swiped it into the net for his 16th goal of the season.